5.—(1) A local authority must provide in their formula that any amount allocated in accordance with regulation 15(1)(a) in respect of a place at a special school for the funding period must be at least 0.985 multiplied by the amount initially determined in relation to the previous funding period in respect of a place appropriate to a pupil with the same characteristics at that school under regulation 16(1)(a) of the 2008 Regulations.
(2) That portion of the redetermined budget share of a special school for the funding period calculated otherwise than in accordance with regulation 15 (but not including adjustments due under regulation 23 (excluded pupils)) must be at least 0.985 multiplied by that portion of the initially determined budget share for the previous funding period calculated otherwise than in accordance with regulation 16 of the 2008 Regulations (including the allocation of any mainstreamed grant but not including adjustments due under regulation 23 (excluded pupils) of those Regulations).