(2) If, for the purposes of this Part of the Order, it is necessary for the Commission to determine the rate of exchange between foreign currency and sterling on any date, that rate shall be deemed to be the middle rate for telegraphic transfers ruling in
the London market on that date or, if there was no such rate, such rate as the Treasury may determine.
22. In assessing the amount of loss with respect to any claim established under this part of the Order the Commission shall take into account the principal value only of the claim and shall not include any element in respect of interest thereon; and for this purpose the principal value of a claim shall be deemed to be the principal amount outstanding on the relevant date irrespective of whether any contract provided for the payment of interest.
23. In assessing the amount of loss with respect to any claim established under this Part of the Order, the Commission shall have regard to any compensation, recoupment or payment received in respect of that loss from any source by the person making the application or his predecessor in title or any trustee for such person or predecessor in title or, if the person making the application is a trustee, any beneficiary or any predecessor in
title of any beneficiary.