4(1)In this paragraph " the relevant date " means the date on which regulations made under section 3(2) above come into force.
(2)A person shall not at any time before the relevant date be required to give notice under subsection (1) or (2) of section 5 above in relation to a child if—
(a)he has on a previous occasion given notice under subsection (1) of that section in respect of that or any other child, specifying the premises at which he proposes to keep the child in question; and
(b)he has not, at any time since that notice was given, ceased to maintain at least one foster child at those premises and been required to give notice under section 6(2) above in respect of those premises.
(3)Every person who is maintaining a foster child within the area of a local authority on the relevant date and who before that date has not given notice in respect of the child to the local authority under subsection (1) or (2) of section 5 above shall within eight weeks of that date give written notice to the local authority that he is maintaining the child.