Section 83 of the Principal Act is amended as follows:

(a) by omitting from subsection (1A) "only" ;

(b) by omitting from subsection (1A)(d) "management" and substituting "marine farming" ;

(c) by inserting the following paragraph after paragraph (e) in subsection (1A) :

(ea) varying the licence is consistent with guidelines issued under section 75 ; and

(d) by omitting subsection (1B) and substituting the following subsection:

(1B)  The Minister may refuse to vary a licence –

(a) if not satisfied as required under subsection (1A) ; or

(b) for any other reason the Minister considers appropriate.