(1)Where, by virtue of an order or decree made under either of the last two foregoing sections, any sum is payable to a local authority, the local authority in whose area the person liable under the order or decree is for the time being residing, or, as the case may be, the local authority [F1looking after] the child to whom the order or decree relates, shall be entitled to receive and give a discharge for, and, if necessary, enforce payment of, any arrears accrued due under the order or decree, notwithstanding that those arrears may have accrued at a time when he was not resident in that area or, as the case may be, when the authority were not entitled to sums payable under the order or decree.

(2)In any proceedings under either of the last two foregoing sections, a certificate purporting to be signed by the clerk to a local authority for the time being entitled to receive contributions, or by some other officer of the authority duly authorised in that behalf, and stating that any sum due to the authority under an order or decree is overdue and unpaid, shall be sufficient evidence of the facts stated therein.