70. In section 17 (proceedings in magistrates' courts), for subsection (6) substitute the following subsection—
“(6) Where the respondent to an application for the variation or revocation of—
(a)a maintenance order made by a magistrates' court in Northern Ireland, being an order to which section 5 of this Act applies; or
(b)a registered order which is registered in such a court,
is residing in a reciprocating country, a magistrates' court in Northern Ireland shall have jurisdiction to hear the application (where it would not have jurisdiction apart from this subsection) if it would have had jurisdiction to hear it had the respondent been residing in Northern Ireland.”.