A supply contract is to be treated for all purposes of the scheme as a fixed price contract, flexible price contract, variable price contract or DAI price contract, according to the category that the supplier (or the Secretary of State, under regulation 74) has determined that it falls into.

Paragraph (1) is subject to any rule made under regulation 11(6)(a) or (c).

If a contract between a supplier and customer provides for the supply of both electricity and gas, it must be treated for the purposes of these Regulations as comprising separate supply contracts for electricity and gas respectively.