15Notwithstanding the repeal by this Act of section 27 of the [1947 c. 27.] National Health Service (Scotland) Act 1947 (functions of local authorities relating to the prevention of illness, care and after-care), that section shall continue to have the same effect for the purposes of section 1(4) of the [1968 c. 49.] Social Work (Scotland) Act 1968 as it had immediately before the coming into force of this Act.