(1) The Minister may amend a GHG authority at any time by giving its holder a notice of the amendment and recording particulars in the relevant register if the amendment--
(a) is to correct a clerical error; or
(b) is to state or more accurately state the boundaries of the area of the GHG authority because of a survey carried out under section 332.
(2) The Minister may at any time amend a condition of the GHG authority if its holder authority agrees in writing.
(3) Despite subsections (1) and (2), the following can not be amended under this section--
(a) the mandatory conditions for that type of authority;
(b) the term of the GHG authority;
(c) any work program or development plan for the GHG authority.
(4) Also, the Minister can not amend the GHG authority if the authority as amended would be inconsistent with a mandatory condition for that type of authority.