15.—(1) The registered provider in respect of an adoption support agency shall pay an annual fee and the amount of the annual fee shall, subject to paragraph (2), be £690.
(2) Where the adoption support agency is a small adoption support agency the amount of the annual fee shall be £345.
(3) The annual fee shall be payable—
(a)if the certificate was issued before 1st April 2007, on the anniversary of the date on which the certificate was issued; and
(b)otherwise on the date on which the certificate is issued, and thereafter on the anniversary of that date.