(1) The Commissioner may, whenever he or she considers it appropriate to do so, revoke the appointment of a person made under -

(a) section 19(2) (which relates to valuation managers), or

(b) subsection (2) or (3) of section 28 (each of which relates to revision managers),

and appoint another person for the purpose concerned under section 19(2) or subsection (2) or (3) of section 28, as appropriate.

(2) A person appointed in succession to another person whose appointment under an aforesaid provision is so revoked may carry on and complete anything commenced by his or her predecessor.

(3) A reference in this Act to the valuation manager who secured the carrying out of a valuation under section 19 shall -

(a) if the power of revocation and appointment of another person referred to in subsection (1) has been exercised in relation to that particular office, be construed (unless the case falls within paragraph (b)) as a reference to the person who for the time being stands appointed under section 19(2) for the purpose concerned, and