{"id":"F2020L00627","name":"Family Law (Superannuation) (Interest Rate for Adjustment Period) Determination 2020","slug":"family-law-superannuation-interest-rate-for-adjustment-period-determination-2020","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":440493,"registerId":"F2020L00627-fast-fetch-1775956096030","compilationNumber":null,"startDate":"2026-04-12","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Family Law (Superannuation) (Interest Rate for Adjustment Period) Determination 2020","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n    ![Commonwealth Coat of Arms](image.001.png)\n\n \n\n \n\nFamily Law (Superannuation) (Interest Rate for Adjustment Period) Determination 2020\n\nI, Guy Francis Thorburn, Australian Government Actuary, make the following determination under regulation 45D of the Family Law (Superannuation) Regulations 2001.\n\nDated:  20 May 2020\n\n \n\nSigned\n\nGuy Francis Thorburn\n\nAustralian Government Actuary\n\n \n\n \n\n   \n\nContents\n\n1 Name of determination\n\n2 Commencement\n\n3 Authority\n\n4 Definition\n\n5 Adjustment period—financial year\n\n6 Adjustment period—less than 12 months within financial year\n\n7 Adjustment period—12 months not within financial year\n\n8 Adjustment period—less than 12 months not within financial year\n\n \n\n1  Name of determination\n\n  This determination is the Family Law (Superannuation) (Interest Rate for Adjustment Period) Determination 2020.\n\n2  Commencement\n\n  This determination commences on 1 July 2020.\n\n3  Authority\n\n  This determination is made under regulation 45D of the Family Law (Superannuation) Regulations 2001.\n\n4  Definition\n\n  In this determination:\n\nregulations means the Family Law (Superannuation) Regulations 2001.\n\n5  Adjustment period—financial year\n\n  For subregulation 45D(3) of the regulations, the interest rate for the adjustment period, being the financial year beginning on 1 July 2020, is 0.057.\n\n6  Adjustment period—less than 12 months within financial year\n\n (1) This section applies to an adjustment period of less than 12 months that begins and ends in the financial year beginning on 1 July 2020.\n\n (2) For subregulation 45D(4) of the regulations, the method for working out the interest rate for the adjustment period is by using the formula:\n\n![](image.002.png)\n\nwhere:\n\nd is the number of days in the adjustment period.\n\n7  Adjustment period—12 months not within financial year\n\n (1) This section applies to an adjustment period of 12 months that begins in the financial year beginning on 1 July 2019 and ends in the financial year beginning on 1 July 2020.\n\n (2) For subregulation 45D(6) of the regulations, the method for working out the interest rate for the adjustment period is by using the formula:\n\n![](image.003.png)\n\n  \n\n  where:\n\nd1 is the number of days in the adjustment period in the financial year beginning on 1 July 2019.\n\nd2 is the number of days in the adjustment period in the financial year beginning on 1 July 2020.\n\n8  Adjustment period—less than 12 months not within financial year\n\n (1) This section applies to an adjustment period of less than 12 months that begins in the financial year beginning on 1 July 2019 and ends in the financial year beginning on 1 July 2020.\n\n (2) For subregulation 45D(6) of the regulations, the method for working out the interest rate for the adjustment period is by using the formula:\n\n![](image.004.png)\n\n  where:\n\nd1 is the number of days in the adjustment period in the financial year beginning on 1 July 2019.\n\nd2 is the number of days in the adjustment period in the financial year beginning on 1 July 2020.\n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This Determination performs exactly the function intended by regulation 45D of the Family Law (Superannuation) Regulations 2001 — setting annual interest rates for superannuation splitting calculations. It has not expanded beyond this narrow technical purpose."},"complexity_factors":["Only 1 defined term ('regulations')","Short length (8 sections, ~2 pages)","Clear structure with 4 distinct scenarios","Simple mathematical formulas (weighted averages based on days)","No nested exceptions or conditional logic beyond the 4 scenario branches","Heavy reliance on external context (Family Law (Superannuation) Regulations 2001) — reader must know what 'adjustment period' and 'subregulation 45D' mean to fully understand","Image references for formulas prevent plain-text readability"],"plain_english_summary":"This Determination sets the interest rate for superannuation splitting on separation at 5.7% for the 2020–21 year. It applies to adjustment periods used to convert valuation dates to payment dates, affecting separating couples, super funds, and family law advisers because the rate alters payout amounts. The instrument also prescribes pro‑rata and blended calculations for shorter periods or periods that straddle financial years."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument only specifies the interest rate for the 2020–21 adjustment period and the formulas for prorating it. It does not expand who is covered or add new substantive obligations beyond applying reg 45D; the scope remains the same as the statutory enabling provision."},"complexity_factors":["Single fixed numeric rate specified for the relevant financial year (s5)","Short, explicit formulas for prorating the annual rate across partial or cross‑year adjustment periods (ss6–8)","Requires day-count arithmetic (d, d1, d2 variables) but no discretionary factors","Tied to an enabling regulation (regulation 45D) so scope is limited to what that regulation contemplates","No multiple rate tiers, indexing rules, or administrative procedures included"],"plain_english_summary":"Sets the interest rate and calculation methods used when adjusting superannuation interests for family law property settlements. It fixes a rate of 0.057 for the adjustment period starting 1 July 2020 (s5) and prescribes day-count formulas to prorate that rate for shorter or cross‑financial‑year adjustment periods (ss6–8).\n\nAffecting separating parties, trustees, courts and advisers, the determination was made by the Australian Government Actuary under reg 45D (s3) and requires day-count calculations to compute the prorated interest amount."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/family-law-superannuation-interest-rate-for-adjustment-period-determination-2020","history":"/api/acts/family-law-superannuation-interest-rate-for-adjustment-period-determination-2020/history","analysis":"/api/acts/family-law-superannuation-interest-rate-for-adjustment-period-determination-2020/analysis","conflicts":"/api/acts/family-law-superannuation-interest-rate-for-adjustment-period-determination-2020/conflicts","importantCases":"/api/acts/family-law-superannuation-interest-rate-for-adjustment-period-determination-2020/important-cases","documents":"/api/acts/family-law-superannuation-interest-rate-for-adjustment-period-determination-2020/documents"}}