49. In this Part—
“authorised person” means a person who has been authorised by the Commissioners in accordance with regulation 50, and “authorised” and “authorisation” shall be construed accordingly;
“current accounting year” means the period of 12 months commencing at the date of authorisation by the Commissioners set out in regulation 50 or, while a person remains authorised, the most recent anniversary thereof, and is a prescribed accounting period within the meaning of section 25(1) of the Act.