5. In relation to an application made before the relevant date under the Act of 1960, section 79 of the Act of 1978 (which amends section 56 of the Magistrates' Courts Act 1952 as respects the meaning of domestic proceedings) shall have effect as if, in the subsection thereby substituted for subsection (1) of the said section 56, the reference to Part I of the Act of 1978 included a reference to the Act of 1960.