The Welsh Ministers may by regulations provide that—
(a) a provision of any enactment is a fundamental provision applicable to an occupation contract;
(b) a provision of any enactment that is for the time being a fundamental provision applicable to an occupation contract ceases to be a fundamental provision applicable to an occupation contract.
The Welsh Ministers may by regulations provide that—
(a) section 20(1) does not apply to a fundamental provision;
(b) section 20(2) does not apply to a fundamental provision.
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