s 52ZF Billing authority's duty to make substitute calculations
(1) The billing authority must make substitute calculations for the financial year in compliance with this section; but those calculations do not have effect for the purposes of Chapter 3 above except in accordance with sections 52ZH and 52ZI below. (2) Substitute calculations for a financial year comply with this section if— (a) they are made in accordance with sections 31A, 31B and 34 to 36 above, ignoring section 31A(11) above for this purpose, (b) the relevant basic amount of council tax produced by applying section 52ZX below to the calculations is not excessive by reference to the principles determined by the Secretary of State under section 52ZC above for the year, and (c) they are made in accordance with this section. (3) In making the substitute calculations, the authority must— (a) use the amount determined in the previous calculation for the year under section 31A(3) above so far as relating to amounts which the authority estimates it will accrue in the year in respect of redistributed non-domestic rates, revenue support grant, additional grant, special grant or (in the case of the Common Council only) police grant, and (b) use the amount determined in the previous calculation for the year for item T in section 31B(1) above and (where applicable) item TP in section 34(3) above. (4) For the purposes of subsection (2) above the authority may treat any amount determined in the previous calculation under section 31A(3) above as increased by the amount of any sum which— (a) it estimates it will accrue in the year in respect of additional grant, and (b) was not taken into account by it in making the previous calculation.