Sch 15 para 65
(1) For the purposes of determining the tracked profit or loss amount for an accounting period— (a) just and reasonable apportionments are to be made of the receipts, expenses, assets and liabilities of— (i) the purchaser, and (ii) any other company that is associated with the purchaser and has an interest in the TTH asset (including an interest in a share in the oil won and saved in the TTH oil field), and (b) for the purposes of paragraph (a), an officer of Revenue and Customs may require that financing costs for an accounting period are to be apportioned on such basis as the officer may reasonably specify before the beginning of that period. (2) In this paragraph “ financing costs ” has the meaning it has for the purposes of section 330 of CTA 2010 (see section 331 of that Act).