524. Powers as to exemptions, consents etc.

Any power conferred on the Health and Safety Executive1 or an authorised inspector2 by the Mines and Quarries Acts 1954 and 19693, by regulations under them4, or by certain health and safety regulations5, to grant, give or impose an exemption, consent, approval, authority, direction, requirement, prohibition or restriction, or to make a determination, is to be construed as including power to vary or revoke the same, in the like manner and subject to the same conditions, if any