Power to alter, amend or vary the terms of the permit or certificate of registration

At any time after a permit or certificate of registration has been granted, the Authority may, for reasons to be recorded in writing, alter, amend or vary the terms of the permit or certificate of registration, as the case may be. Provided that no change shall be made in the permit or certificate of registration, as the case may be, unless the user of groundwater is afforded an opportunity of being heard.