s 17 Prohibition of committal more than once in respect of same arrears.
Where a defendant has been imprisoned or otherwise detained under an order or warrant of commitment issued in respect of his failure to pay a sum due under a maintenance order, then, notwithstanding anything in this Act, no such order or warrant (other than a warrant of which the issue has been postponed under paragraph (ii) of subsection (5) of the next following section) shall thereafter be issued in respect of that sum or any part thereof.