(1) It shall be a term of the contract under which C is employed that, subject to this Act, C shall at any time be entitled to the same rate of remuneration for the work which C is employed to do as D who, at that or any other relevant time, is employed to do like work by the same or an associated employer.

(2) For the purposes of subsection (1), in relation to a particular time, a relevant time is any time (on or after the commencement of this section) which falls during the 3 years which precede, or the 3 years which follow, the particular time.

(3) For the purposes of this Part, where D's employer is an associated employer of C's employer, C and D shall not be regarded as employed to do like work unless they both have the same or reasonably comparable terms and conditions of employment.

(4) Section 19(4) applies in relation to C and D as it applies in relation to A and B, with the modification that the reference in it to persons of a particular gender (being As or Bs) is a reference to persons (being Cs or Ds) who differ in a respect mentioned in any paragraph of section 28(1) and with any other necessary modifications.