4. For regulation 18 (Review of authorisations) substitute—
18.—(1) The Department shall periodically review an authorisation.
(2) The Department shall on review assess compliance with the conditions of an authorisation and the effects on groundwater.
(3) An authorisation may be reviewed at anytime by the Department and where necessary the Department may update the authorisation.
(4) If the conditions of an authorisation are not complied with, enforcement action shall be taken to ensure compliance and, if necessary, revocation of the authorisation.”