Paragraph 3
(1)
Subject to Articles 5 to 12 of this Memorandum, the provision made for Great Britain and the provision made for Northern Ireland shall operate as a single system within the United Kingdom.
(2)
For the purposes of paragraph (1), all acts, omissions and events and in particular any application, declaration, direction, decision or order having effect for the provision made for Great Britain and having effect in that territory or for the provision made for Northern Ireland and having effect in that territory, shall have a corresponding effect for the purpose of the provision made for child support maintenance made in the other territory.