[Disapplication of section 1(1A) of the Administration Act
2A. Section 1(1A) of the Administration Act (requirement to state national insurance number) shall not apply—
(a). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(b)to any claim for [carer’s allowance] made or treated as made before 9th February 1998;
(c)to an adult dependant in respect of whom a claim for an increase of [carer’s allowance] is made or treated as made before 5th October 1998.]
[(d)to an adult dependant who—
(i)is a person in respect of whom a claim for an increase of carer’s allowance is made;
(ii)is subject to immigration control within the meaning of section 115(9)(a) of the Immigration and Asylum Act 1999; and
(iii)has not previously been allocated a national insurance number.]