Regulation 21 Rules as to matters in this PartI1

about the determination (including as to what is, and what is not, to be taken into account in the determination) of weighted average contracted wholesale prices in respect of flexible supply contracts in accordance with regulation 11;

about the basis on which it is to be determined whether a supply contract is a fixed price contract, a variable price contract or a flexible price contract;

about the basis on which the price-fix date of a fixed price contract is to be determined;

requiring that, in circumstances specified in the rules, a supply contract must be treated for the purposes of the scheme as comprising, as to different portions of the energy supplied under it, as more than one contract, and, for these purposes, the two or more contracts which it is to be treated as comprising may be of the same or different categories as referred to in regulation 12(1).