{"id":"C1969A00073","name":"Income Tax Act 1969","slug":"income-tax-act-1969","collection":"act","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":"73 of 1969","makingDate":null,"administeringDepartment":null,"currentVersion":{"id":5352,"registerId":"commonwealth-C1969A00073-current","compilationNumber":null,"startDate":"2026-03-30","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Income Tax Act 1969","content":"Income Tax\n\nNo. 73 of 1969\n\nAn Act to impose a Tax upon Incomes.\n\n\\[Assented to 26 September 1969\\]\n\nBE it enacted by the Queen’s Most Excellent Majesty, the Senate, and the House of Representatives of the Commonwealth of Australia, as follows:—\n\nShort title.\n\n1. This Act may be cited as the Income Tax Act 1969.\n\nCommencement.\n\n2. This Act shall come into operation on the day on which it receives the Royal Assent.\n\nInterpretation.\n\n3.—(1.) In this Act, unless the contrary intention appears—\n\n“co-operative company” has the same meaning as in Division 9 of Part III. of the Assessment Act;\n\n“friendly society dispensary” means a friendly society dispensary to which Division 9a of Part III. of the Assessment Act applies;\n\n“investment income” has the same meaning as in Division 9b of Part III. of the Assessment Act;\n\n“life assurance company” has the same meaning as in Division 8 of Part III. of the Assessment Act;\n\n \n\n“mutual income”, in relation to a life assurance company (other than a mutual life assurance company), means—\n\n(a) so much of the part of the taxable income of the company that has been derived from its life assurance business as bears the same proportion to that part of the taxable income as the amount of the profits divided for the same year of income among the life assurance policy holders of the company bears to the total profits divided among those policy holders and the shareholders of the company in respect of the company’s life assurance business for the same year of income; or\n\n(b) where no profits in respect of the company’s life assurance business are divided for the year of income but, by virtue of the company’s constituent document, any profits to be divided among the life assurance policy holders of the company are required to be a certain proportion of the total profits to be divided—that proportion of the part of the taxable income of the company that has been derived from its life assurance business;\n\n“mutual life assurance company” has the same meaning as in Division 8 of Part III. of the Assessment Act;\n\n“non-profit company” means—\n\n(a) a company that is not carried on for the purposes of profit or gain to its individual members and is, by the terms of the company’s constituent document, prohibited from making any distribution, whether in money, property or otherwise, to its members; or\n\n(b) a friendly society dispensary;\n\n“superannuation fund” means a provident, benefit, superannuation or retirement fund;\n\n“tax” means income tax referred to in sub-section (1.) of section 5 of this Act;\n\n“the Assessment Act” means the Income Tax Assessment Act 1936–1969;\n\n“the combined taxable income”, in relation to a taxpayer and his spouse, means—\n\n(a) where the spouse of the taxpayer has no taxable income—the taxable income of the taxpayer; or\n\n(b) where the spouse of the taxpayer has a taxable income—the sum of the taxable incomes of the taxpayer and his spouse less any amount by which the deduction allowable to the taxpayer in respect of the taxpayer’s spouse under section 82b of the Assessment Act would be increased if the separate net income of the spouse were reduced by an amount equal to the taxable income of the spouse.\n\n \n\n(2.) In this Act—\n\n(a) a reference to a Schedule shall be read as a reference to a Schedule to this Act; and\n\n(b) a reference to investment income, net income or taxable income shall be read as a reference to investment income, net income or taxable income, as the case may be, of the year of income.\n\nIncorporation.\n\n4. The Assessment Act is incorporated, and shall be read as one, with this Act.\n\nImposition of income tax.\n\n5.—(l.) Income tax is imposed in accordance with this Act and at the rates declared in this Act.\n\n(2.) This Act does not impose—\n\n(a) further tax payable in pursuance of sub-section (9.), sub-section (11.) or sub-section (12.) of section 94 of the Assessment Act;\n\n(b) tax payable by a trustee in pursuance of section 99a of the Assessment Act;\n\n(c) tax payable by a trustee of a superannuation fund in pursuance of section 121ca, section 121cb or section 121da of the Assessment Act; or\n\n(d) tax payable in accordance with section 128b of the Assessment Act.\n\n(3.) This Act does not impose tax upon—\n\n(a) a taxable income that is derived by a person other than a company or by a non-profit company; or\n\n(b) the net income of a trust estate in respect of which the trustee is liable to be assessed and to pay tax under section 98 or section 99 of the Assessment Act,\n\nwhere that taxable income or net income, as the case may be, does not exceed Four hundred and sixteen dollars.\n\nRates of tax payable by persons other than companies.\n\n6.—(1.) Except as otherwise provided by this Act, the rates of tax are as set out in the First Schedule.\n\n(2.) The rates of tax in respect of a taxable income to which Division 16 of Part III. of the Assessment Act applies are as set out in the Second Schedule.\n\n(3.) The rate of tax in respect of a taxable income in any case where section 59ab, section 86 or section 158d of the Assessment Act applies is as set out in the Third Schedule.\n\n(4.) The rate of tax payable by a trustee in pursuance of section 98 or section 99 of the Assessment Act is as set out in the Fourth Schedule.\n\n \n\n(5.) The rates of tax payable by a trustee of a superannuation fund in respect of investment income of the fund in respect of which the trustee is liable, in pursuance of section 121d of the Assessment Act, to be assessed and to pay tax are as set out in the Fifth Schedule.\n\n(6.) In this section, “tax” does not include tax imposed in accordance with section 8 of this Act.\n\nAmount of tax where taxable income or net income does not exceed $428.\n\n7.—(1.) Where the taxable income of a person does not exceed Four hundred and twenty-eight dollars, the amount of tax payable by him under sub-section (1.), sub-section (2.) or sub-section (3.) of the last preceding section shall not exceed one-half of the amount by which the taxable income exceeds Four hundred and sixteen dollars, less any rebate or credit to which he is entitled.\n\n(2) Where the net income of a trust estate in respect of which a trustee is liable to be assessed and to pay tax under section 98 or section 99 of the Assessment Act does not exceed Four hundred and twenty-eight dollars, the amount of tax payable by the trustee under sub-section (4.) of the last preceding section in respect of that net income shall not exceed one-half of the amount by which that net income exceeds Four hundred and sixteen dollars, less any rebate or credit to which the trustee is entitled.\n\nAdditional tax payable by certain persons other than companies.\n\n8. In the case of a person who is liable to pay income tax ascertained by reference to sub-section (1.), (2.), (3.) or (4.) of section 6 or to section 7 of this Act, there is payable additional income tax at the rate of two and one-half per centum of the income tax so ascertained that would have been payable in respect of the taxable income, or, in the case of a person being a trustee, in respect of the net income of the trust estate in respect of which the trustee is liable to be assessed and to pay tax, if there had not been allowed or allowable from that income tax any rebate or credit.\n\nLimitation of tax payable by aged persons.\n\n9.—(1.) This section applies to a taxpayer who—\n\n(a) being a man, has attained the age of sixty-five years, or, being a woman, has attained the age of sixty years, on or before the last day of the year of income; and\n\n(b) is a resident of Australia during the whole of the year of income,\n\nbut does not apply to a taxpayer in the capacity of a trustee.\n\n(2.) Where the taxable income of a taxpayer to whom this section applies does not exceed Two thousand two hundred and seventy-five dollars, the amount of tax payable by him by reason of the last three preceding sections shall not exceed the amount calculated in relation to that taxable income in accordance with the rates prescribed for the purposes of this sub-section by the Sixth Schedule, less any rebate or credit to which he is entitled, or, if his taxable income does not exceed One thousand three hundred dollars, no tax is payable by him.\n\n \n\n(3.) Where the taxable income of a taxpayer to whom this section applies does not exceed Four thousand one hundred and twenty-one dollars and during the year of income the taxpayer contributes to the maintenance of his spouse, being a person who is a resident of Australia during the whole of the year of income—\n\n(a) the amount of tax payable by the taxpayer by reason of the last three preceding sections shall not exceed the amount calculated in relation to the combined taxable income of the taxpayer and his spouse in accordance with the rates prescribed for the purposes of this sub-section by the Seventh Schedule, less any rebate or credit to which he is entitled; or\n\n(b) if the combined taxable income of the taxpayer and his spouse does not exceed Two thousand two hundred and sixty-two dollars, no tax is payable by the taxpayer.\n\n(4.) In this section, “resident of Australia” includes a person who is a resident of the Territory of Papua and New Guinea, of Norfolk Island, of the Territory of Cocos (Keeling) Islands or of the Territory of Christmas Island.\n\nMinimum tax.\n\n10.—(1.) Where, but for this section, the amount of tax that a person would be liable to pay under the preceding provisions of this Act, after deducting all rebates to which that person is entitled, is less than Fifty cents, the tax payable by that person is Fifty cents.\n\n(2.) The last preceding sub-section does not apply—\n\n(a) in relation to the tax payable by a taxpayer to whom the last preceding section of this Act applies where, by reason of sub\\-section (2.) or sub-section (3.) of that section, the amount of tax payable is less than the amount that otherwise would have been payable by the taxpayer by reason of sections 6, 7 and 8 of this Act; or\n\n(b) in relation to tax payable by a taxpayer who is liable to pay further tax in pursuance of sub-section (9.), sub-section (11.) or sub-section (12.) of section 94 of the Assessment Act.\n\nRates of tax payable by a company.\n\n11.—(1.) The rates of tax payable by a company, other than a company in the capacity of a trustee, are as set out in the Eighth Schedule.\n\n(2.) Where the taxable income of a non-profit company does not exceed One thousand three hundred and eighty-six dollars, the amount of tax payable by the company shall not exceed one-half of the amount by which the taxable income exceeds Four hundred and sixteen dollars, less any rebate or credit to which the company is entitled.\n\n \n\nTax where amount to be collected or refunded would not exceed Twenty cents.\n\n12.—(1.) Notwithstanding anything contained in the preceding provisions of this Act, where a person has, in accordance with section 221h of the Assessment Act, forwarded to the Commissioner a tax stamps sheet or group certificate issued to that person in respect of deductions made in a year from his salary or wages, and the difference between the available deductions and the tax that would, but for this sub-section, be payable by that person in respect of the taxable income derived by him in that year is not more than Twenty cents, the tax payable by that person in respect of that taxable income is an amount equal to the available deductions.\n\n(2.) The last preceding sub-section does not apply—\n\n(a) in relation to a person who is liable to pay further tax in pursuance of sub-section (9.) of section 94 of the Assessment Act;\n\n(b) in relation to a person who is liable to pay provisional tax in respect of his income of the year immediately succeeding the year referred to in the last preceding sub-section; or\n\n(c) in any case in which the amount of tax that would, but for this section, be payable is Fifty cents and the available deductions exceed Fifty cents.\n\n(3.) In this section, “the available deductions” means the sum of the amount represented by the face value of the tax stamps duly affixed to a tax stamps sheet referred to in sub-section (1.) of this section and the amount of the deductions specified in a group certificate so referred to.\n\nLevy of tax.\n\n13 The tax imposed by the preceding provisions of this Act is levied, and shall be paid, for the financial year that commenced on the first day of July, One thousand nine hundred and sixty-nine, and, until the Parliament otherwise provides, for the next succeeding financial year.\n\nProvisional tax.\n\n14 Provisional tax is imposed and is payable, in accordance with the provisions of the Assessment Act, in respect of the income of the year of income that commenced on the first day of July, One thousand nine hundred and sixty-nine.\n\nAct to be deemed to be the Act declaring the rates of income tax.\n\n15 For the purposes of sub-section (1.) of section 104, sub-section (3.) of section 160 and sub-section (3.) of section 221yb of the Assessment Act, this Act shall be deemed to be the Act declaring the rates of income tax payable for the financial year that commenced on the first day of July, One thousand nine hundred and sixty-nine.\n\n \n\nTHE SCHEDULES\n\n——\n\nFIRST SCHEDULE Section 6 (1.).\n\nGeneral Rates of Tax\n\nThe rate of tax in respect of each part of the taxable income specified in the first column of the following table is the rate per centum set out in the second column of that table opposite to the reference to that part of the taxable income:—\n\n```html\n

First Column

Second Column

Parts of Taxable Income

Rates per centum

The part of the taxable income that—

does not exceed $200..................................................

0.4

exceeds

$200 but does not exceed

$300..............................

1.2

exceeds

$300 but does not exceed

$400..............................

2.9

exceeds

$400 but does not exceed

$500..............................

4.5

exceeds

$500 but does not exceed

$600..............................

6.1

exceeds

$600 but does not exceed

$800..............................

8.2

exceeds

$800 but does not exceed

$1,000.............................

10.8

exceeds

$1,000 but does not exceed

$1,200.............................

12.5

exceeds

$1,200 but does not exceed

$1,400.............................

14.2

exceeds

$1,400 but does not exceed

$1,600.............................

15.9

exceeds

$1,600 but does not exceed

$1,800.............................

17.6

exceeds

$1,800 but does not exceed

$2,000.............................

19.3

exceeds

$2,000 but does not exceed

$2,400.............................

21.6

exceeds

$2,400 but does not exceed

$2,800.............................

24.6

exceeds

$2,800 but does not exceed

$3,200.............................

27.1

exceeds

$3,200 but does not exceed

$3,600.............................

29.6

exceeds

$3,600 but does not exceed

$4,000.............................

32.1

exceeds

$4,000 but does not exceed

$4,800.............................

35.4

exceeds

$4,800 but does not exceed

$5,600.............................

38.3

exceeds

$5,600 but does not exceed

$6,400.............................

41.2

exceeds

$6,400 but does not exceed

$7,200.............................

43.8

exceeds

$7,200 but does not exceed

$8,000.............................

46.3

exceeds

$8,000 but does not exceed

$8,800.............................

48.7

exceeds

$8,800 but does not exceed

$10,000.............................

51.7

exceeds

$10,000 but does not exceed

$12,000.............................

55.0

exceeds

$12,000 but does not exceed

$16,000.............................

57.9

exceeds

$16,000 but does not exceed

$20,000.............................

60.4

exceeds

$20,000 but does not exceed

$32,000.............................

63.3

exceeds

$32,000...................................................

66.7

\n```\n\nSECOND SCHEDULE Section 6 (2.).\n\nRates of Tax by Reference to an Average Income\n\nIn the case of a taxpayer to whose income Division 16 of Part III. of the Assessment Act applies, the rates of tax are—\n\n(a) for every One dollar of so much of the taxable income as does not exceed Sixteen thousand dollars—\n\n(i) the rate ascertained by determining the tax that would be payable if the rates set out in the First Schedule were applied to a taxable income equal to his average income and dividing the resultant amount by a number equal to the number of whole dollars in that average income; or\n\n(ii) 42.615625 cents,\n\nwhichever is the less; and\n\n(b) for every One dollar of the remainder of the taxable income, the rate ascertained by deducting the amount of Six thousand eight hundred and eighteen dollars fifty cents from the tax that would be payable if the rates set out in the First Schedule were applied to the total taxable income and dividing the resultant amount by a number equal to the number of whole dollars in that remainder.\n\n \n\nTHIRD SCHEDULE Section 6 (3.).\n\nRate of tax by Reference to a Notional Income\n\nFor every One dollar of the taxable income of a taxpayer deriving a notional income, as specified by section 59ab, section 86 or section 158d of the Assessment Act, the rate of tax is the rate ascertained by dividing the tax that would be payable under the First Schedule upon a taxable income equal to his notional income by a number equal to the number of whole dollars in that notional income.\n\n——\n\nFOURTH SCHEDULE Section 6 (4.).\n\nRate of Tax Payable by a Trustee in Pursuance of Section 98 or Section 99 of the Assessment Act\n\nThe rate of tax in respect of the net income of a trust estate in respect of which a trustee is liable, in pursuance of section 98 or section 99 of the Assessment Act, to be assessed and to pay tax is the rate that would be payable under the First, Second or Third Schedule, as the case requires, if one individual were liable to be assessed and to pay tax on that income as his taxable income.\n\nFIFTH SCHEDULE Section 6 (5.).\n\nRates of Tax Payable by a Trustee of a Superannuation Fund in Respect of Investment Income of the Fund\n\nThe rates of tax in respect of investment income of a superannuation fund in respect of which the trustee of the fund is liable, in pursuance of section 121d of the Assessment Act, to be assessed and to pay tax are—\n\n(a) for so much of that investment income as does not exceed Ten thousand dollars—thirty per centum; and\n\n(b) for the remainder of that investment income—forty per centum.\n\n——\n\nSIXTH SCHEDULE Section 9 (2.).\n\nRates Prescribed for the Purposes of Section 9 (2.)\n\nThe rate in respect of each part of the taxable income specified in the first column of the following table is the rate per centum set out in the second column of that table opposite to the reference to that part of the taxable income:—\n\n| First Column | Second Column |\n| ---------------------------------------------------------------- | ---------------- |\n| Parts of Taxable Income | Rates per centum |\n| The part of the taxable income that— | |\n| exceeds $1,300 but does not exceed $1,532....................... | 16⅔ |\n| exceeds $1,532 but does not exceed $2,080....................... | 20 |\n| exceeds $2,080 but does not exceed $2,275....................... | 66⅔ |\n\n \n\nSEVENTH SCHEDULE Section 9 (3.).\n\nRates Prescribed for the Purposes of Section 9 (3.)\n\nThe rate in respect of each part of the combined taxable income specified in the first column in the following table is the rate per centum set out in the second column of that table opposite to the reference to that part of the combined taxable income:—\n\n| First Column | Second Column |\n| ---------------------------------------------------------------- | ---------------- |\n| Parts of Combined Taxable Income | Rates per centum |\n| The part of the combined taxable income that— | |\n| exceeds $2,262 but does not exceed $2,500....................... | 16⅔ |\n| exceeds $2,500 but does not exceed $3,000....................... | 33⅓ |\n| exceeds $3,000 but does not exceed $3,640....................... | 45 |\n| exceeds $3,640 but does not exceed $4,121....................... | 66⅔ |\n\n——\n\nEIGHTH SCHEDULE Section 11.\n\nRates of Tax Payable by a Company other than a Company in the Capacity of a Trustee\n\n1. In the case of a company (not being a private company, a co-operative company, a non-profit company or a life assurance company) that is a resident, the rates of tax are—\n\n(a) in respect of so much of the taxable income as does not exceed Ten thousand dollars—forty per centum; and\n\n(b) in respect of the remainder of the taxable income—forty-five per centum.\n\n2. In the case of a company (not being a private company, a co-operative company, a non-profit company or a life assurance company) that is a non-resident, the rates of tax are—\n\n(a) in respect of so much of the taxable income consisting of dividends as does not exceed Ten thousand dollars—thirty-five per centum;\n\n(b) in respect of so much of the taxable income not consisting of dividends as does not exceed the amount (if any) by which the taxable income consisting of dividends is less than Ten thousand dollars—forty per centum; and\n\n(c) in respect of the part of the taxable income to which neither of the preceding sub\\-paragraphs of this paragraph applies—forty-five per centum.\n\n3. In the case of a company that is a private company, the rates of tax are—\n\n(a) in respect of so much of the taxable income as does not exceed Ten thousand dollars—thirty per centum;\n\n(b) in respect of the remainder of the taxable income—forty per centum; and\n\n(c) in respect of the undistributed amount in respect of which the company is liable under section 104 of the Assessment Act to pay additional tax—fifty per centum\n\n4. In the case of a company (not being a private company or a life assurance company) that is a co-operative company or a non-profit company other than a friendly society dispensary, the rates of tax are—\n\n(a) in respect of so much of the taxable income as does not exceed Ten thousand dollars—thirty-five per centum; and\n\n(b) in respect of the remainder of the taxable income—forty-five per centum.\n\n5. The rate of tax in respect of the taxable income of a non-profit company that is a friendly society dispensary is thirty-five per centum.\n\n6. In the case of a company (not being a private company) that is a mutual life assurance company, the rates of tax are—\n\n(a) in respect of so much of the taxable income as does not exceed Ten thousand dollars— thirty per centum; and\n\n(b) in respect of the remainder of the taxable income—forty per centum.\n\n \n\nEighth Schedule—continued\n\n7. In the case of a company (not being a private company) that is a life assurance company, other than a mutual life assurance company, the rates of tax are—\n\n(a) in respect of so much of the mutual income as does not exceed Ten thousand dollars—thirty per centum;\n\n(b) in respect of the remainder of the mutual income—forty per centum;\n\n(c) if the company is a non-resident, in respect of so much of the taxable income, other than the mutual income, consisting of dividends as does not exceed the amount (if any) by which the mutual income is less than Ten thousand dollars—thirty-five per centum;\n\n(d) in respect of so much of the taxable income, other than the amounts of income to which the preceding sub-paragraphs of this paragraph apply, as does not exceed the amount (if any) by which the total of those amounts is less than Ten thousand dollars—forty per centum; and\n\n(e) in respect of the part of the taxable income to which none of the preceding sub\\-paragraphs of this paragraph applies—forty-five per centum.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-realtime","completionTokens":2297},"content_quality":"ok","complexity_score":6,"scope_assessment":{"changed":false,"description":"This is an annual tax imposition act consistent with its original purpose to declare tax rates for the 1969-70 financial year. It follows the standard structure of annual Income Tax Acts from this era."},"complexity_factors":["11 defined terms in section 3, most referencing external definitions in the Income Tax Assessment Act 1936","8 separate Schedules with distinct tax rate calculations for individuals, companies, trusts, and superannuation funds","First Schedule contains 28 separate progressive income brackets requiring step-by-step calculation","Complex conditional logic for aged persons (section 9) requiring assessment of age, residency, and spousal maintenance","Differential treatment of 7 distinct company types in the Eighth Schedule with varying rates for residents, non-residents, and mutual income","Cross-referencing to specific sections of the Assessment Act for definitions of 'mutual income,' 'co-operative company,' and 'notional income'"],"plain_english_summary":"**What this Act does**\n\nThis Act imposes income tax for the 1969-70 financial year on Australian residents and certain non-residents. It works alongside the *Income Tax Assessment Act 1936* (which determines how income is calculated) by setting out the actual tax rates payable and the conditions under which they apply.\n\n**Who it affects**\n\n* **Individuals**: Anyone earning taxable income, with special concessions for aged persons (men aged 65+ and women aged 60+)\n* **Companies**: Different rules apply depending on whether the company is a private company, co-operative, non-profit organisation, life assurance company, or standard resident/non-resident company\n* **Trustees**: People managing trusts or superannuation funds, who pay tax on behalf of beneficiaries or the fund itself\n* **Superannuation funds**: Subject to specific rates on their investment income\n\n**Key features**\n\n* **Progressive tax scales**: Individuals pay increasing rates as their income rises, from 0.4% on the first $200 up to 66.7% on income over $32,000\n* **Aged pensioner relief**: Older Australians with low incomes pay reduced rates or no tax at all if their income is below $1,300 (singles) or $2,262 (couples)\n* **Company tax variations**: Rates range from 30% to 50% depending on company type, residency status, and whether profits are distributed\n* **Surcharge and minimums**: A 2.5% additional tax applies to certain taxpayers, and a minimum tax of 50 cents is set (unless aged concessions apply)\n* **Special calculations**: Different Schedules apply for taxpayers with \"notional income,\" \"average income,\" or those assessed as trustees\n\nThe Act ensures the tax system accounts for different circumstances—such as supporting a spouse, earning investment income, or operating specific business types—by applying tailored mathematical formulas and rate tables."},"flash_summary":{"complexity_score":7,"scope_assessment":{"changed":false,"description":"This Act, as written, establishes and declares income tax rates, exemptions, and procedural rules for the financial year beginning 1 July 1969 and for the following year until Parliament otherwise provides (section 13). It incorporates the Income Tax Assessment Act for definitions and assessment procedure (section 4). The text itself sets out detailed categories, rates and exceptions rather than expanding or contracting an external scope: it applies to the classes of taxpayers and incomes specified in the Act and in the incorporated Assessment Act provisions. The Act does not, within its own text, announce a change of scope from its stated purpose of imposing a tax upon incomes (section 5) and therefore there is no indication in the instrument itself that the scope has changed from its original intended function."},"complexity_factors":["Extensive cross‑references to the Income Tax Assessment Act for definitions and assessment machinery (section 4)","Multiple Schedules with distinct rate tables for different classes of taxpayer (First–Eighth Schedules; sections 6 and 11)","Special calculation methods (average income in Second Schedule; notional income in Third Schedule) requiring additional arithmetic and record‑keeping (section 6(2)–(3))","Numerous categorical exceptions and thresholds (e.g. small‑income caps at $416 and $428, minimum tax 50 cents, section 5(3), section 7, section 10)","Different tax treatments for company subtypes (resident vs non‑resident, private, co‑operative, non‑profit, life assurance and mutual life; Eighth Schedule, section 11)","Interaction of income‑based concessions for older taxpayers and combined spouse income calculations (section 9 and Sixth/Seventh Schedules)","Administrative and collection permutations (tax stamps/group certificates, Commissioner references in section 12; provisional tax under the Assessment Act in section 14)"],"plain_english_summary":"### What this law does (mechanically)\n\n- Imposes an income tax and sets the rates and rules for how that tax is calculated and collected (section 5). The Act itself declares the rates and several special calculation rules through Schedules (First to Eighth Schedules) and cross‑references the Income Tax Assessment Act 1936–1969 for detailed definitions and assessment procedures (section 4).\n\n- Distinguishes different payers and applies different rate tables: individuals and most non‑company taxpayers (First Schedule, sections 6(1) and 7 for low incomes), taxpayers whose income is calculated by reference to an average income (Second Schedule, section 6(2)), taxpayers with a notional income (Third Schedule, section 6(3)), trustees (Fourth Schedule, section 6(4)), trustees of superannuation funds for investment income (Fifth Schedule, section 6(5)), and companies with several subcategories (Eighth Schedule, section 11).\n\n- Provides small‑income relief and minimum amounts: exemptions and caps for very small taxable incomes (for example, no tax where taxable income ≤ $416 for many persons other than companies or certain trustees: section 5(3)); a cap/cap calculation where taxable income ≤ $428 (section 7); a minimum tax of fifty cents where tax after rebates would otherwise be under fifty cents (section 10); and a procedural rule for very small differences when tax stamps/group certificates are provided (section 12).\n\n- Imposes an extra 2.5% charge on the calculated income tax before rebates/credits for certain non‑company taxpayers and trustees (section 8).\n\n- Declares timing and application for the financial year beginning 1 July 1969 (section 13) and makes provisional tax payable in accordance with the Assessment Act (section 14). It also treats this Act as the Act that declares the rates for certain Assessment Act provisions (section 15).\n\n\n### Who it affects\n\n- Individuals and other non‑company taxpayers (First Schedule rates; sections 5–9; sections 6(1)–(3)).\n- Trustees of trusts (tax rate treatment in section 6(4) and Fourth Schedule; specific caps in section 7(2)).\n- Companies of different types: resident/non‑resident, private, co‑operative, non‑profit, life assurance and mutual life companies each have distinct rate rules (section 11 and Eighth Schedule).\n- Trustees of superannuation funds for investment income (Fifth Schedule, section 6(5)).\n- Older residents may be subject to special limits on tax payable (section 9 sets age thresholds and reduced rates/caps via the Sixth and Seventh Schedules).\n- Persons who remit payroll tax stamps or group certificates (procedural provision in section 12).\n\n\n### Why this matters (practical effects and mechanical incentives)\n\n- The Act creates multiple, specifically tailored rate structures rather than a single flat tax: individuals, various company types, trustees and superannuation funds face different rates (sections 6, 11; Eighth and Fifth Schedules). That difference changes the after‑tax return to different organisational forms and income types.\n\n- Differential company treatment (Eighth Schedule and section 11) means the statutory tax cost of retaining profits in a private company (including an undistributed amount attracting up to 50% additional tax in some cases — Eighth Schedule, paragraph 3(c)) differs from distributing profits. Mechanically, that creates a tax incentive that may affect whether companies distribute earnings or retain them.\n\n- Special calculation methods increase measurement complexity: the Second Schedule requires averaging to compute rates for certain taxpayers (section 6(2)); the Third Schedule requires using a notional income for others (section 6(3)). Those rules change the arithmetic used to convert a taxable base into an amount of tax.\n\n- Small‑income and minimum rules (sections 5(3), 7, 10, 12) change the marginal tax consequence at very low income levels and set practical floors/ceilings for collection and refunds; administratively, they limit collection effort for very small amounts.\n\n\n### Compliance, administrative burden and decision points\n\n- The Act incorporates and depends on the Assessment Act for definitions and assessment procedures (section 4). That reliance means applying this Act requires using many external provisions and cross‑references, increasing interpretive and administrative work for tax officials and taxpayers.\n\n- Multiple Schedules with category‑specific rules (First–Eighth Schedules) and special calculations (Second and Third Schedules) increase the arithmetic and record‑keeping required of taxpayers and their advisers.\n\n- The Commissioner is referenced in the collection mechanism tied to payroll tax stamps/group certificates (section 12). While the Act sets rates and caps, day‑to‑day assessment and collection follow the Assessment Act machinery it imports (section 4 and section 14 for provisional tax). That produces several points where administration and interpretation by revenue officials matter.\n\n\n### Costs, trade‑offs and implementation risks (mechanical, source‑grounded)\n\n- Compliance costs rise where taxpayers must apply special averaging or notional income computations (Second and Third Schedules; section 6(2)–(3)).\n\n- The Act creates different tax burdens across entity types (Eighth Schedule). Where the law taxes retained or undistributed company profits at higher rates (Eighth Schedule 3(c)), companies face a mechanical incentive to alter distributions or entity status to reduce tax. The text itself establishes the differing rates; it does not state administrative responses.\n\n- Age‑based caps and combined‑income calculations for spouses (section 9 and Sixth/Seventh Schedules) target relief mechanically to older residents and to combined household incomes; applying these provisions requires rules about residency and contribution to spouse maintenance (section 9(1)–(4)).\n\n- Because the Act delegates definitions and assessment procedures to the Assessment Act (section 4), disagreements about interpretation of those incorporated provisions could affect tax outcomes under this Act; this is an administrative/interpretive risk inherent in cross‑referencing.\n\n\n### Key statutory anchors (examples)\n\n- Imposition and exclusions: section 5.\n- Incorporation of Assessment Act definitions/procedures: section 4.\n- Individual rates and small‑income caps: sections 6 and 7.\n- Additional tax of 2.5% on pre‑rebate tax: section 8.\n- Aged taxpayer limits and spouse treatment: section 9 and Sixth/Seventh Schedules.\n- Minimum tax and small‑difference rules for tax stamps/group certificates: sections 10 and 12.\n- Company rates and company‑type distinctions: section 11 and Eighth Schedule.\n- Trustee and superannuation fund investment income rates: Fourth and Fifth Schedules (section 6(4)–(5)).\n\n\nThis summary restricts itself to the mechanical content of the Act and the concrete incentives, calculation methods and administrative points that flow from its text (with the sections cited above). It does not rely on external commentary about the law's policy aims beyond the Act's own provisions."}},"importantCases":[],"_links":{"self":"/api/acts/income-tax-act-1969","history":"/api/acts/income-tax-act-1969/history","analysis":"/api/acts/income-tax-act-1969/analysis","conflicts":"/api/acts/income-tax-act-1969/conflicts","importantCases":"/api/acts/income-tax-act-1969/important-cases","documents":"/api/acts/income-tax-act-1969/documents"}}