Sch 3Registration fees for heavy vehicles

Schedule 3—Registration fees for heavy vehicles Regulation 115 Part 1—Preliminary 1 Application This Schedule applies to heavy vehicles that have an MRC of more than 4·5 tonnes. 2 Definitions In this Schedule— ***converter dolly*** means a trailer with a fifth wheel coupling designed to support a semi-trailer for hauling purposes; ***dog trailer*** means a trailer with— (a) one axle group or single axle at the front that is steered by connection to the towing vehicle by a drawbar; and (b) one axle group or single axle at the rear; ***low loader*** means a gooseneck semi-trailer with a loading deck no more than one metre above the ground; ***medium combination truck*** means a truck, other than a short combination truck, nominated to haul one trailer; ***multi-combination prime mover*** means a prime mover nominated to haul 2 or more trailers; ***nominated*** means nominated by the person applying for registration; ***semi-trailer*** means a trailer (including a pole-type trailer) that has— (a) one axle group or a single axle towards the rear; and (b) a means of attachment to a prime mover or a converter dolly that results in some of the load being imposed on the prime mover, or the converter dolly, as the case may be; ***special purpose vehicle (type O)*** means a special purpose vehicle (other than a ***special purpose vehicle (type P)***)— (a) built, or permanently modified, primarily for use on roads; and (b) that has at least one axle or axle group loaded in excess of the axle load limits specified in the Table at the foot of this definition; Mobile cranes, fire engines, truck-mounted concrete pumps and boring plants are all a ***special purpose vehicle (type O)***. A special purpose vehicle (type O) may also fall within the definition of ***special purpose vehicle (type T)*** if it has no axle or axle group loaded in excess of the axle load limits specified in the Table at the foot of this definition. **Table** **Axle load limits** | *Column 1*<br>*Item No.* | *Column 2*<br>*Type of axle or axle group* | *Column 3*<br>*Axle load limit (tonnes)* | | 1 | Single axles | | | | (a) 2 tyres | 6⋅0 | | | (b) 2 wide profile tyres— | | | | (i) 375 millimetres to 450 millimetres | 6⋅7 | | | (ii) over 450 millimetres | 7⋅0 | | | (c) 4 or more tyres— | | | | (i) on pig trailers | 8⋅5 | | | (ii) on other vehicles | 9⋅0 | | 2 | Twinsteer axle groups | | | | (a) non-load sharing suspensions | 10⋅0 | | | (b) load sharing suspensions | 11⋅0 | | 3 | Tandem axle groups | | | | (a) 4 tyres | 11⋅0 | | | (b) 4 wide profile tyres— | | | | (i) 375 millimetres to 450 millimetres | 13⋅3 | | | (ii) over 450 millimetres | 14⋅0 | | | (c) 6 tyres | 13⋅0 | | | (d) 8 or more tyres— | | | | (i) on pig trailers | 15⋅0 | | | (ii) on other vehicles | 16⋅5 | | 4 | Tri-axle groups | | | | (a) 6, 8 or 10 tyres | 15⋅0 | | | (b) 6 wide profile tyres (375 millimetres or over)— | | | | (i) on pig trailers | 18⋅0 | | | (ii) on other vehicles | 20⋅0 | | | (c) 12 or more tyres— | | | | (i) on pig trailers | 18⋅0 | | | (ii) on other vehicles | 20⋅0 | ***special purpose vehicle (type P)*** means a special purpose vehicle built, or permanently modified, primarily for— (a) off-road use; or (b) use on a road related area; or (c) use on an area of road that is under construction or repair; Agricultural tractors, self-propelled agricultural harvesters, bulldozers, backhoes, graders and front‑end loaders are all a ***special purpose vehicle (type P)***. ***special purpose vehicle (type T)*** means a special purpose vehicle (other than a ***special purpose vehicle (type P)***)— (a) built, or permanently modified, primarily for use on roads; and (b) that has no axle or axle group loaded in excess of the axle load limits specified in the Table at the foot of the definition of ***special purpose vehicle (type O)***; Mobile cranes, fire engines, truck-mounted concrete pumps and boring plants are all a ***special purpose vehicle (type T)***. A special purpose vehicle (type T) may also fall within the definition of ***special purpose vehicle (type O)*** if it has at least one axle or axle group loaded in excess of the axle load limits specified in the Table at the foot of that definition. ***truck (type 1)*** means a truck that has— (a) 2 axles and an MRC not exceeding 12 tonnes; or (b) 3 axles and an MRC not exceeding 16·5 tonnes; or (c) 4 or more axles and an MRC not exceeding 20 tonnes; ***truck (type 2)*** means a truck that has— (a) 2 axles and an MRC exceeding 12 tonnes; or (b) 3 axles and an MRC exceeding 16·5 tonnes; or (c) 4 or more axles and an MRC exceeding 20 tonnes. 3 Close-spaced axles (1) For the purposes of this Schedule (other than the definitions of ***single axle group***, ***tandem axle* *group***, ***twinsteer axle group***, ***tri-axle group*** and ***quad-axle group***)— (a) 2 axles less than one metre apart are to be regarded as one axle; and (b) 3 axles not more than 2 metres apart are to be regarded as 2 axles; and (c) 4 axles not more than 3·2 metres apart are to be regarded as 3 axles. (2) A reference to a distance in subclause (1) is a reference to the horizontal distance between the centre lines of— (a) in the case of subclause (1)(a), the 2 axles; and (b) in any other case, the outermost axles. 4 Determination of number of trailers For the purposes of determining the number of trailers that a prime mover or truck is nominated to haul— (a) a converter dolly and a semi-trailer when used together are to be regarded as one trailer; and (b) a low loader dolly and a low loader when used together are to be regarded as one trailer. Nothing in this clause affects the requirement under Part 2 of this Schedule that a separate annual registration fee be paid for each converter dolly or low loader dolly and for each semi-trailer. Part 2—Fees Sch. 3 Pt 2 cl. 5 substituted by S.R. Nos 54/2023 reg. 4(1), 43/2024 reg. 6(1), 83/2025 reg. 6(1). 5 Registration fees—1 September 2025 to 30 June 2026 The registration fee for a vehicle to which this Schedule applies from 1 September 2025 to 30 June 2026 is the sum of the relevant amounts set out in Tables 1 and 2 for the vehicle. The registration fee for a vehicle is made up of 2 separate components—a road component (Table 1), which is designed to recover expenditure relating to roads that can be attributed to the use of heavy vehicles either generally or particularly; and a regulatory component (Table 2), which is designed to recover expenditure related to the regulation of heavy vehicles. It is intended that the regulatory component will be paid to the Regulator, subject to offsets where jurisdictions provide regulatory services under service level agreements. The registration fee for a truck (type 1) with 2 axles is $714, which is the sum of $512 shown in Table 1 for that type of truck, and $202 shown in Table 2 for that type of truck. **Table 1—Road component of registration fees** **1 September 2025—30 June 2026** Division 1—Load carrying vehicles | | | *2 axles* | *3 axles* | *4 axles* | *5 or more axles* | | *Item No.* | *Vehicle type* | *Fee per vehicle* | *Fee per vehicle* | *Fee per vehicle* | *Fee per vehicle* | | | **Trucks** | | | | | | 1 | Truck (type 1) | $512 | $942 | $942 | $942 | | 2 | Truck (type 2) | $942 | $1069 | $1069 | $1069 | | 3 | Short combination truck | $942 | $1069 | $2106 | $2106 | | 4 | Medium combination truck | $11 652 | $11 652 | $12 585 | $12 585 | | 5 | Long combination truck | $16 109 | $16 109 | $16 109 | $16 109 | | | **Prime movers** | | | | | | 6 | Short combination prime mover | $895 | $5105 | $5488 | $5488 | | 7 | Multi-combination prime mover | $12 950 | $12 950 | $14 245 | $14 245 | Division 2—Load carrying trailers | | | *Single axle* | *Tandem axle group* | *Tri-axle group* | *Quad-axle group and above* | | *Item No.* | *Trailer type* | *Fee per axle* | *Fee per axle* | *Fee per axle* | *Fee per axle* | | 1 | Pig trailer | $761 | $761 | $761 | $761 | | 2 | Dog trailer | $761 | $761 | $761 | $761 | | 3 | Semi-trailer | $761 | $967 | $687 | $516 | | 4 | B-double lead trailer and B‑triple lead and middle trailers | $761 | $967 | $687 | $516 | | 5 | Converter dolly or low loader dolly | $0 | $0 | $0 | $0 | All axles on a dog trailer are treated as part of one group for registration charging purposes. For example, a dog trailer with a single axle at the front and a tandem axle at the rear is treated as a tri-axle group for registration charging purposes. Division 3—Buses | | *Column 1* | *Column 2* | *Column 3* | *Column 4* | | | | *2 axles* | *3 axles* | *4 or more axles* | | *Item No.* | *Bus type* | *Fee per vehicle* | *Fee per vehicle* | *Fee per vehicle* | | 1 | Bus (type 1) | $384 | $0 | $0 | | 2 | Bus (type 2) | $404 | $2957 | $2957 | | 3 | Articulated bus | $0 | $404 | $404 | Division 4—Special purpose vehicles | | *Column 1* | *Column 2* | | *Item No.* | *Vehicle type* | *Fee per vehicle* | | 1 | Special purpose vehicle (type P) | $0 | | 2 | Special purpose vehicle (type T) | $373 | | 3 | Special purpose vehicle (type O) | Calculated using the formula: $466 + ($466 × number of axles over 2). | **Table 2—Regulatory component of registration fees** **1 September 2025—30 June 2026** Division 1—Load carrying vehicles | | | *2 axles* | *3 axles* | *4 axles* | *5 or more axles* | | *Item No.* | *Vehicle type* | *Fee per vehicle* | *Fee per vehicle* | *Fee per vehicle* | *Fee per vehicle* | | | **Trucks** | | | | | | 1 | Truck (type 1) | $202 | $239 | $254 | $254 | | 2 | Truck (type 2) | $264 | $337 | $358 | $358 | | 3 | Short combination truck | $295 | $376 | $359 | $359 | | 4 | Medium combination truck | $673 | $673 | $728 | $728 | | 5 | Long combination truck | $930 | $930 | $930 | $930 | | | **Prime movers** | | | | | | 6 | Short combination prime mover | $419 | $419 | $419 | $419 | | 7 | Multi-combination prime mover | $947 | $947 | $1040 | $1040 | Division 2—Load carrying trailers | | | *Single axle* | *Tandem axle group* | *Tri-axle group* | *Quad-axle group and above* | | *Item No.* | *Trailer type* | *Fee per axle* | *Fee per axle* | *Fee per axle* | *Fee per axle* | | 1 | Pig trailer | $55 | $28 | $18 | $14 | | 2 | Dog trailer | $55 | $28 | $18 | $14 | | 3 | Semi-trailer | $55 | $28 | $18 | $14 | | 4 | B-double lead trailer and B‑triple lead and middle trailers | $55 | $28 | $18 | $14 | | 5 | Converter dolly or low loader dolly | $55 | $28 | $18 | $14 | All axles on a dog trailer are treated as part of one group for registration charging purposes. For example, a dog trailer with a single axle at the front and a tandem axle at the rear is treated as a tri-axle group for registration charging purposes. Division 3—Buses | | *Column 1* | *Column 2* | *Column 3* | *Column 4* | | | | *2 axles* | *3 axles* | *4 or more axles* | | *Item No.* | *Bus type* | *Fee per vehicle* | *Fee per vehicle* | *Fee per vehicle* | | 1 | Bus (type 1) | $211 | $0 | $0 | | 2 | Bus (type 2) | $346 | $429 | $429 | | 3 | Articulated bus | $0 | $343 | $343 | Division 4—Special purpose vehicles | | *Column 1* | *Column 2* | | *Item No.* | *Vehicle type* | *Fee per vehicle* | | 1 | Special purpose vehicle (type P) | $0 | | 2 | Special purpose vehicle (type T) | $209 | | 3 | Special purpose vehicle (type O) | $209 | Sch. 3 Pt 2 cl. 6 (Heading) amended by S.R. Nos 54/2023 reg. 4(2), 43/2024 reg. 6(2), 83/2025 reg. 6(2). 6 Annual registration fees—after 30 June 2026 Sch. 3 Pt 2 cl. 6(1) amended by S.R. Nos 54/2023 reg. 4(3)(a), 43/2024 reg. 6(3), 83/2025 reg. 6(3). (1) The annual registration fees for vehicles to which this Schedule applies for any financial year commencing after 30 June 2026 are to be fixed under this clause, except in relation to a financial year for which a determination is published in conformity with clause 7. Sch. 3 Pt 2 cl. 6(2) amended by S.R. Nos 54/2023 reg. 4(3)(b), 43/2024 reg. 6(3), 83/2025 reg. 6(3). (2) The annual registration fee for a vehicle to which this Schedule applies for any financial year commencing after 30 June 2026 (the ***relevant financial year***) is to be calculated as follows— (a) step 1—the road component is to be determined as follows— (i) the road component of the annual registration fee that was payable for the vehicle for the financial year immediately preceding the relevant financial year (***the road component of the previous annual registration fee***) is to be multiplied by the annual adjustment factor percentage determined under clause 10 for the relevant financial year; (ii) the result is to be added to, or subtracted from (if the percentage was negative), the road component of the previous annual registration fee; (iii) the result is to be rounded up or down to the nearest whole dollar amount (rounding an amount of 50 cents upwards); (iv) the result is the road component of the annual registration fee for the vehicle for the relevant financial year; (b) step 2—the regulatory component of the annual registration fee for the vehicle is to be determined by reference to the most recent table published by the National Transport Commission on or before 28 February immediately before the start of the relevant financial year; (c) step 3—the amount determined under step 1 (the ***road component***) is to be added to the amount determined under step 2 (the ***regulatory component***) and the result is the annual registration fee for the vehicle for the relevant financial year. (3) In this clause, ***most recent table*** means the table last published by the National Transport Commission in the Commonwealth Government Gazette for the purpose of determining the regulatory component (whether published for the relevant financial year or for any other financial year). Sch. 3 Pt 2 cl. 7 (Heading) amended by S.R. Nos 54/2023 reg. 4(4), 43/2024 reg. 6(4), 83/2025 reg. 6(4). 7 Determination of annual registration fees—after 30 June 2026 (1) The annual registration fees fixed under this clause for vehicles to which this Schedule applies for a financial year apply instead of the fees fixed under clause 6. If any registration fees are fixed under this clause for a financial year, they replace all registration fees that would otherwise be applicable under clause 6 for that year. (2) The annual registration fees for vehicles for the financial year are fixed under this clause by a determination made by the Council on or before 28 February immediately before that financial year, but only if the National Transport Commission has published the determination in the Commonwealth Government Gazette on or before that date. (3) A determination may apply for one financial year or for 2 or more consecutive financial years, but nothing in this subclause prevents more than one determination being made so long as they are made for consecutive financial years. (4) Subclauses (1) to (3) cease to have effect— Sch. 3 Pt 2 cl. 7(4)(a) amended by S.R. Nos 54/2023 reg. 4(5), 43/2024 reg. 6(5), 83/2025 reg. 6(5). (a) if a determination has not been published for the financial year 2026/2027 on or before the preceding 28 February 2026—on the day after that date; or (b) if a determination has been published for a financial year and a further determination has not been published for the next financial year on or before 28 February immediately before that next financial year—on the day after that date. 8 Meaning of *previous annual registration fee* (1) A reference to the ***previous annual registration fee*** for a vehicle in clause 6 is a reference to the fee that was payable for the vehicle under this Schedule had the vehicle been registered for the entire relevant financial year, and regardless of whether the amount of the fee was paid or not. Accordingly, if the annual registration fee for a year (**year 1**) was fixed under clause 7 but not for the following year (**year 2**), the fee for year 2 would be fixed under clause 6 based on the fee for year 1 (that is, as fixed under clause 7). (2) Subclause (1) applies to a vehicle even if the fee was not payable in respect of the relevant financial year referred to in that subclause. The fee may not have been payable for the previous financial year because the vehicle did not then exist. 9 Vehicles in 2 or more categories If a vehicle falls within 2 or more categories of vehicle that are relevant to this Schedule, the fee for the vehicle is the higher or highest of the fees that could apply to the vehicle. Part 3—Annual adjustment factor 10 Annual adjustment factor (1) The annual adjustment factor for a financial year (the ***relevant year***) is to be calculated in accordance with this clause. (2) First, the Revised Adjusted Base Cost (***RABC***) is to be calculated in accordance with Part 4 of this Schedule. (3) Next, the following formula is to be applied— **FR** is the estimated total amount of the road user charge as calculated in accordance with clause 11; **RR** is the estimated revenue raised in relation to heavy vehicles by the road component of registration charges in Australia as calculated in accordance with clause 12. (4) Finally, the amount determined under subclause (3) is to be rounded up or down to one decimal place (rounding an amount of 0·05 upwards). (5) The result is the annual adjustment factor expressed as a percentage. 11 Calculation of the estimated total amount of the road user charge (1) The estimated total amount of the road user charge (**FR**) is to be calculated in accordance with this clause. (2) First, the following formula is to be applied— **TFU** is the total fuel use by heavy vehicles in litres determined by adding together the estimated annual fuel use shown in the most recent annual report of the National Transport Commission for each category of heavy vehicle; **RUC** is the road user charge rate (expressed in dollars) for the previous year that applied under section 43-10 of the Fuel Tax Act 2006 of the Commonwealth, or if more than one rate applied in that year, the last rate that applied in that year. (3) Second, the amount determined under subclause (2) is to be divided by 1 000 000. (4) Third, the amount determined under subclause (3) is to be rounded up or down to 2 decimal places (rounding an amount of 0·005 upwards). (5) The result is the estimated total amount of the road user charge. (6) In this clause— ***most recent annual report*** of the National Transport Commission means the last annual report of the Commission that was tabled in each House of the Parliament of the Commonwealth before the start of the relevant year; ***previous year*** means the financial year that immediately preceded the relevant year; ***relevant year*** means the financial year for which the annual adjustment factor is being calculated. 12 Calculation of estimated revenue raised from the road component of registration charges (1) The estimated revenue raised in relation to heavy vehicles by the road component of registration charges in Australia (**RR**) is to be calculated in accordance with this clause. (2) First, the following formula is to be applied— **HV** is the sum of the amounts shown in the most recent annual report of the National Transport Commission as the estimated revenue from the road component of registration charges for vehicles excluding trailers for each category of heavy vehicle; **TRR** is the sum of the amounts shown in the most recent annual report of the National Transport Commission as the estimated registration charges for trailers for each category of heavy vehicle. (3) Second, the amount determined under subclause (2) is to be divided by 1 000 000. (4) Third, the amount determined under subclause (3) is to be rounded up or down to 2 decimal places (rounding an amount of 0·005 upwards). (5) The result is the estimated revenue raised from the road component of registration charges for heavy vehicles in Australia. (6) In this clause— ***most recent annual report*** of the National Transport Commission means the last annual report of the Commission that was tabled in each House of the Parliament of the Commonwealth before the start of the financial year for which the annual adjustment factor is being calculated. Part 4—Calculation of RABC (Revised Adjusted Base Cost) 13 Revised Adjusted Base Cost The Revised Adjusted Base Cost (***RABC***) for a financial year (the ***relevant year***) needed to enable the calculation of the annual adjustment factor for that year is to be calculated in accordance with this Part. 14 Definitions In this Part— ***AGM-km*** (Average Gross Mass-km), in respect of a group of vehicles, is an average derived from estimated aggregates of the total mass of each vehicle in the group and its load multiplied by the estimated total distance travelled by the vehicle in the relevant period; ***Allocable Road Expenditure Table*** means the table headed "Allocable Road Expenditure" published in the most recent annual report of the National Transport Commission; ***Cost Allocation Rules Table*** means the table headed "Cost Allocation Rules" published in the most recent annual report of the National Transport Commission; ***ESA-km*** (Equivalent Standard Axle-km), in respect of a group of vehicles, is an average derived from estimated aggregates of the relative pavement wear associated with different loads, axle groups and tyre configurations and is calculated for each vehicle in the group by multiplying the sum of the equivalent standard axles for each of the rows of tyres of the vehicle by the estimated total distance travelled by the vehicle in the relevant period; ***most recent annual report*** of the National Transport Commission means the last annual report of the Commission that was tabled in each House of the Parliament of the Commonwealth before the start of the financial year for which the annual adjustment factor is being determined; ***PCU-km*** (Passenger Car Unit-km), in respect of a group of vehicles, is an average derived from estimated aggregates of the passenger car equivalent units of each of the vehicles in the group (which is a measure of occupied road space) multiplied by the total distance travelled by the vehicle in the relevant period; ***Road Usage Parameters Table*** means the table headed "Road Usage Parameters" published in the most recent annual report of the National Transport Commission; ***VKT*** (Vehicle Kilometres Travelled), in respect of a group of vehicles, is an average derived from the estimated aggregate kilometres travelled by the vehicles in the relevant period. 15 Rounding The results of all calculations made for the purposes of this Part are to be rounded up or down to one decimal place (rounding an amount of 0·05 upwards). 16 Interim calculations The steps set out in clauses 17 to 19 need to be taken in turn for each category of expenditure shown in the Allocable Road Expenditure Table. 17 Determine the amount attributable to arterial roads (1) Take the amount shown as the Arterial Roads Total (***ART***) for the category of expenditure. (2) This amount needs to be adjusted to take account of the most appropriate weighting of methods of measuring road use and to isolate the heavy vehicle component of the road use, which is achieved by taking the following 5 substeps— (a) substep 1—take account of the vehicle kilometres travelled parameter and the heavy vehicle component as follows— (i) multiply ART by the percentage shown in the Cost Allocation Rules Table for the category with respect to VKT; (ii) if the result is zero (or the amount is deemed to be zero because no percentage is shown), go to subparagraph (iv) below; (iii) if the result is not zero, multiply the result by the HV% shown in the Road Usage Parameters Table for Arterial for VKT; (iv) the result is Arterial Interim Amount 1 (***AIA(1)***); (b) substep 2—take account of the passenger car unit-km parameter and the heavy vehicle component as follows— (i) multiply ART by the percentage shown in the Cost Allocation Rules Table for the category with respect to PCU-km; (ii) if the result is zero (or the amount is deemed to be zero because no percentage is shown), go to subparagraph (iv) below; (iii) if the result is not zero, multiply the result by the HV% shown in the Road Usage Parameters Table for Arterial for PCU-km; (iv) the result is Arterial Interim Amount 2 (***AIA(2)***); (c) substep 3—take account of the equivalent standard axle-km parameter and the heavy vehicle component as follows— (i) multiply ART by the percentage shown in the Cost Allocation Rules Table for the category with respect to ESA-km; (ii) if the result is zero (or the amount is deemed to be zero because no percentage is shown), go to subparagraph (iv) below; (iii) if the result is not zero, multiply the result by the HV% shown in the Road Usage Parameters Table for Arterial for ESA-km; (iv) the result is Arterial Interim Amount 3 (***AIA(3)***); (d) substep 4—take account of the average gross mass-km parameter and the heavy vehicle component as follows— (i) multiply ART by the percentage shown in the Cost Allocation Rules Table for the category with respect to AGM-km; (ii) if the result is zero (or the amount is deemed to be zero because no percentage is shown), go to subparagraph (iv) below; (iii) if the result is not zero, multiply the result by the HV% shown in the Road Usage Parameters Table for Arterial for AGM-km; (iv) the result is Arterial Interim Amount 4 (***AIA(4)***); (e) substep 5—add up the interim amounts as follows— (i) add together AIA(1), AIA(2), AIA(3) and AIA(4); (ii) the result is the Total Arterial Amount. 18 Determine the amount attributable to local roads (1) Take the amount shown as the Local Roads Total for that category (***LRT***). (2) This amount needs to be adjusted to take account of the most appropriate weighting of methods of measuring road use and to isolate the heavy vehicle component of the road use, which is achieved by taking the following 5 substeps— (a) substep 1—take account of the vehicle kilometres travelled parameter and the heavy vehicle component as follows— (i) multiply LRT by the percentage shown in the Cost Allocation Rules Table for the category with respect to VKT; (ii) if the result is zero (or the amount is deemed to be zero because no percentage is shown), go to subparagraph (iv) below; (iii) if the result is not zero, multiply the result by the HV% shown in the Road Usage Parameters Table for Local for VKT; (iv) the result is Local Roads Interim Amount 1 (***LRIA(1)***); (b) substep 2—take account of the passenger car unit-km parameter and the heavy vehicle component as follows— (i) multiply LRT by the percentage shown in the Cost Allocation Rules Table for the category with respect to PCU-km; (ii) if the result is zero (or the amount is deemed to be zero because no percentage is shown), go to subparagraph (iv) below; (iii) if the result is not zero, multiply the result by the HV% shown in the Road Usage Parameters Table for Local for PCU-km; (iv) the result is Local Roads Interim Amount 2 (***LRIA(2)***); (c) substep 3—take account of the equivalent standard axle-km parameter and the heavy vehicle component as follows— (i) multiply LRT by the percentage shown in the Cost Allocation Rules Table for the category with respect to ESA-km; (ii) if the result is zero (or the amount is deemed to be zero because no percentage is shown), go to subparagraph (iv) below; (iii) if the result is not zero, multiply the result by the HV% shown in the Road Usage Parameters Table for Local for ESA-km; (iv) the result is Local Roads Interim Amount 3 (***LRIA(3)***); (d) substep 4—take account of the average gross mass-km parameter and the heavy vehicle component as follows— (i) multiply LRT by the percentage shown in the Cost Allocation Rules Table for the category with respect to AGM-km; (ii) if the result is zero (or the amount is deemed to be zero because no percentage is shown), go to subparagraph (iv) below; (iii) if the result is not zero, multiply the result by the HV% shown in the Road Usage Parameters Table for Local for AGM-km; (iv) the result is Local Roads Interim Amount 4 (***LRIA(4)***); (e) substep 5—add up the interim amounts as follows— (i) add together LRIA(1), LRIA(2), LRIA(3) and LRIA(4); (ii) the result is the Total Local Roads Amount. 19 Add up the arterial and local roads results (1) Add the Total Arterial Amount from clause 17 and the Total Local Roads Amount from clause 18 together. (2) The result is the Total Relevant Amount for the relevant category. 20 Initial Base Cost (1) The Total Relevant Amounts for each of the 10 categories must be added together. (2) The result is the Initial Base Cost (***IBC***) for the relevant year. 21 Base Cost Adjustment Factor Calculate the Base Cost Adjustment Factor (***BCAF***) using the following formula— **IBC** is the Initial Base Cost calculated in accordance with clause 20. 22 Final calculation (1) Calculate the RABC using the following formula— **PRABC** is the Revised Adjusted Base Cost derived in calculating the annual adjustment factor in the previous financial year; **RABC** is the Revised Adjusted Base Cost; **BCAF** is the Base Cost Adjustment Factor calculated in accordance with clause 21. (2) The result is the RABC for the relevant year. Sch. 3 Pt 4 cl. 23 revoked by S.R. No. 54/2023 reg. 4(6). * * * * * Sch. 4 amended by S.R. Nos 51/2022 reg. 6, 53/2023 reg. 6, 67/2023 reg. 11, 43/2024 reg. 7, 155/2025 reg. 5.