21.—(1) Subject to paragraph 22 any amount paid—
(a)by way of arrears of benefit;
(b)by way of compensation for the late payment of benefit;
(c)in lieu of the payment of benefit;
(d)to rectify, or compensate for, an official error, as defined for the purposes of paragraph 22, being an amount to which that paragraph does not apply;
(e)by a local authority (including, in relation to England, a county council), or by the National Assembly for Wales, to or on behalf of the claimant or his partner relating to a service which is provided to develop or sustain the capacity of the claimant or his partner to live independently in his accommodation.
(2) In sub-paragraph (1), “benefit” means—
(a)attendance allowance under section 64 of the Act;
(b)disability living allowance;
(c)income support;
(d)income-based jobseeker’s allowance;
(e)state pension credit;
(f)housing benefit;
(g)council tax benefit;
(h)child tax credit;
(i)an increase of a disablement pension under section 104 of the Act (increase where constant attendance is needed), and any further increase of such a pension under section 105 of the Act (increase for exceptionally severe disablement);
(j)any amount included on account of the claimant’s exceptionally severe disablement or need for constant attendance in a war disablement pension or a war widow’s or widower’s pension.