The repeal by the Act of 1962 of section 75 of the Act of 1947 shall not affect the operation of any regulations made under subsection (8) of that section (which enabled provision to be made by regulations for applying the provisions of that section to contraventions, committed before the appointed day, of restrictions under enactments other than those relating to town and country planning) or of the provisions of that section as applied by any such regulations.