27. A member of the Committee entitled to an attendance allowance under paragraph 26 shall make a claim for such allowance in such form as the Committee may direct to the Secretary of the Committee and shall make a declaration that –
(a)he has not or will not make any claim for allowances from any other body in respect of the approved duty to which the claim refers;
(b)the amounts claimed are strictly in accordance with the provisions of this Part; and
(c)he has necessarily incurred or suffered the loss of earnings or additional expenses claimed for the purpose of enabling him to perform an approved duty.