74.—(1) Subject to paragraph (2), a disputing party may use the procedure in this Chapter to dispute any calculation or determination made by the Settlement Body under Part 6 or 7.
(2) The procedure in this Chapter may not be used to dispute the correctness of any data used in making a calculation or determination, which has been provided to the Settlement Body by another person under these Regulations or capacity market rules, except for non-BSC data provided by a capacity provider.
(3) In this Chapter, “disputing party” means, as appropriate, a supplier or a capacity provider.
(4) In paragraph (2), “non-BSC data” means data provided by or on behalf of a capacity provider which is not provided under the Balancing and Settlement Code, irrespective of whether the capacity provider is a party to the Balancing and Settlement Code.