8 Repayments
1 Where a sum has been paid as a charge for services forming part of the health service by or on behalf of a person who, at the time services were provided for such person, was not an overseas visitor in respect of whom, or did not receive services for which, such a charge was payable, a claim for repayment of the sum may be made by presenting to the Authority by which the charge was made and recovered–
(a) the receipt for payment of such sum;
(b) a declaration in support of the claim signed by or on behalf of the claimant; and
(c) such evidence in support of the declaration as the Authority may require.
2 The Authority, if satisfied by the evidence so produced that the sum to which the receipt relates was not payable by virtue of these Regulations, shall repay to the claimant the amount of any such sum.