(1)The Secretary of State may make payments out of money provided by Parliament in respect of the examination of applicants falling within any class mentioned in subsection (2) below, being applicants for medical certificates required as a condition of any exception prescribed by regulations under section 33A or 33B of the 1972 Act (wearing of seat belts).
(2)The classes referred to in subsection (1) above are—
(a)those in receipt of—
(i)attendance allowance under section 35 of the [1975 c. 14.] Social Security Act 1975 ;
(ii)mobility allowance under section 37A of that Act;
(iii)disablement pension under section 57 of that Act at a weekly rate increased by virtue of section 61(1) of that Act (constant attendance needed); or
(iv)an allowance under article 14 of the [S.I. 1978/1525.] Naval, Military and Air Forces etc. (Disablement and Death) Service Pensions Order 1978 (constant attendance allowance);
(b)those in receipt of—
(i)family income supplement; or
(ii)any benefit under the [1976 c. 71.] Supplementary Benefits Act 1976;
and their dependants ;
(c)those provided with invalid carriages or other vehicles under subsection (1) of section 46 of the [1978 c. 29.] National Health Service (Scotland) Act 1978 or in receipt of grants under subsection (3) of that section in respect of invalid carriages or other vehicles which belong to them; and
(d)those whose names are in the register of disabled persons maintained under section 6 of the [1944 c. 10.] Disabled Persons (Employment) Act 1944.
(3)The Secretary of State may by order amend subsection (2) above (whether as originally enacted or as previously amended under this subsection) so as to omit any of the classes mentioned in that subsection or add to or substitute for any of those classes other classes of any description.