66. Restrictions on pay equity claims---Where a pay equity claim in
 respect of a female occupation or part thereof has been made in relation
 to a particular award or agreement, no further pay equity claim in
 respect of that female occupation or part thereto may be made in
 relation to that award or agreement or any subsequent award or
 agreement---
   (a) Within 5 years after the date on which the pay equity claim was
         settled or decided; or
   (b) Before the end of the implementation period,---

 whichever is the later.