(1)Subject to subsection (2) below—
(a)nothing done, and no contract entered into, by any local authority, port health authority or joint board, and nothing done by any member or officer of, or person acting under the direction of, such an authority or board, shall, if done or entered into bona fide for the purposes of executing a relevant provision of this Act, subject them or him personally to any action, liability, claim or demand whatsoever, and
(b)any expense incurred by any such authority, board, member, officer or other person acting bona fide as mentioned in paragraph (a) above shall be borne and repaid out of the fund or rate applicable by the authority or board to the general purposes of this Act.
(2)Nothing in subsection (1) above exempts a member of any such authority or board from liability to make any payment in pursuance of section 19 or 20 of the [1982 c. 32.] Local Government Finance Act 1982 (unlawful expenditure).