The Minister may refuse to approve the variation of a licence
(a) on any ground specified in section 64; or (b) . . . . . . . . (c) if the licensee has not paid any fees payable under this Act.
(a) on any ground specified in section 64; or
(b) . . . . . . . .
(c) if the licensee has not paid any fees payable under this Act.