(1) This section applies to a person -

(a) who -

(i) is a public servant on 1 March 2009, or

(ii) is not a public servant on that date but after that date is appointed or otherwise becomes a public servant, and

(b) who, on 1 March 2009 or at any time afterwards -

(i) is a member of a public service pension scheme,

(ii) is entitled to a benefit under such a scheme, or

(iii) receives a payment in lieu of membership in such a scheme.

(2) In this section, a person to whom this section applies, other than a public servant referred to in paragraph (e) or (f) of the definition of that term in section 1, is referred to as a "relevant person".

(3) The person who is responsible for, or authorises, the payment of remuneration to a relevant person shall, subject to subsection (3A), deduct or cause to be deducted an amount -