Subject to such exceptions as may be prescribed, a district registrar may refuse to comply with any application voluntarily made to him under this Act F1or the M1Marriage (Scotland) Act 1977 until the appropriate fee, if any, provided for by F2or under this Act or the M2Marriage (Scotland) Act 1977 is paid to him; and any such fee, if not prepaid, shall be recoverable by the registrar to whom it is payable.