(1) This section applies if--
(a) a person makes an amendment application for an environmental authority (petroleum activities) or environmental authority (mining activities); and
(b) amending the authority in accordance with the application would result in an annual fee being payable that is higher than the annual fee for the authority as stated in the last annual notice for the authority.
(2) The application must be accompanied by the supplementary annual fee for the authority worked out under the following formula--
S = A - P
where--
S is the amount of the supplementary annual fee for the authority.
A is the amount of the annual fee that would be payable for the authority if the authority were amended in accordance with the amendment application.
P is the amount of the annual fee stated in the last annual notice given for the authority.