(a) The Regulator may require a Person to pay to the Regulator a supplementary fee in circumstances where it expects to incur substantial additional costs in dealing with an application, authorisation, filing or conducting on-going supervision.

(b) In such cases the Regulator will notify the Person as soon as reasonably possible of the amount of the supplementary fee.

(c) Such a supplementary fee may be applicable in respect of any fee payable under Chapters 2 or 3 other than a fee under Rule 3.7.