Proceedings for the recovery of a fine which under this Act is recoverable on the summary conviction of the offender may be instituted by . . . the following persons, that is to say—
and (except in Scotland) no other person may institute such proceedings.
Notwithstanding any limitation on the time for the taking of proceedings contained in any Act, any proceedings such as are mentioned in subsection (1) of this section which are instituted by the FCA, the PRA or by the Lord Advocatemay be brought at any time within one year of the first discovery of the offence by FCA or the PRA (or the Lord Advocate, as the case may be), but not in any case more than three years after the commission of the offence.