10.—(1) In the case of an application to which article 3(2)(a) or (c) of the 2011 Order applies, where the application is for limited leave to remain in the United Kingdom as a Tier 5 (Temporary Worker) Migrant and the application is made in person at a Public Enquiry Office, the fee is—
(a)subject to sub-paragraph (b), £648; or
(b)£583 where the application is in respect of a person who is a national of a state which has ratified the Council of Europe Social Charter.
(2) This regulation is subject to regulations 17, 18, 19 and 20.