These Regulations amend the Loan Relationships and Derivative Contracts (Change of Accounting Practice) Regulations 2004 (“the principal Regulations”) which make provision for certain debits and credits not to be brought into account in the first accounting period of a company beginning on or after 1st January 2005, and for those debits and credits instead to be brought into account over a ten year period (beginning with the first period of account on or after 1st January 2006), or not to be brought into account for any period.