(1)  The Safety Authority may give a revision notice to a diving contractor to revise a DSMS.

(2)  A revision notice is to be in writing and is to set out –

(a) the matters to be revised; and

(b) the time within which the revision must be completed; and

(c) the reasons why the revision is necessary.

(3)  The diving contractor may make a submission in writing to the Safety Authority, within 21 days after receiving the notice or any longer period that the Safety Authority allows in writing, setting out the contractor’s reasons for any of the following:

(a) why the revision is not necessary;

(b) why the revision should be in different terms from those proposed;

(c) whether or not the contractor gives other reasons, why the notice should take effect on a later date than the date set out in the notice.

(4)  If a contractor makes a submission under subregulation (3) , the Safety Authority is to, within 28 days after receiving the submission –

(a) decide whether the Safety Authority accepts the reasons in the submission; and

(b) give the contractor notice in writing affirming, varying or withdrawing the revision notice; and

(c) if the Safety Authority decides not to accept the reasons or any part of them, set out in this notice the grounds for not accepting them.

(5)  The contractor is to revise the DSMS, in accordance with the notice as originally given or as varied under subregulation (4) , and submit it to the Safety Authority unless the notice is withdrawn under that subregulation.

(6)  If the contractor does not revise a DSMS when required by this regulation to do so, the Safety Authority may withdraw its acceptance of the DSMS or its agreement to the use of the DSMS for the project.