Claims
18.—(1) An authority must specify a time limit from the date on which an entitlement to travelling or subsistence allowances arises during which a claim for those allowances must be made by the person to whom those allowances are payable.
(2) Any claim for payment of travelling or subsistence allowance in accordance with these Regulations (excluding claims for travel by means of a private motor vehicle) shall be accompanied by appropriate receipts proving actual expenses, subject to any requirement or limitation that an authority may determine.
(3) Nothing in paragraph (1) prevents an authority from making a payment where the allowance is not claimed within the period so specified.