9.—(1) An authorised agent shall—
(a)keep any gill tags and logbooks in his possession in a secure place;
(b)enter in a logbook being issued by him, in the manner set out in Schedule 1 or, as the case may be, Schedule 3, details of any tags being issued at the same time by him to the recipient of the logbook;
(c)keep and maintain a register in the form set out in Schedule 2.
(2) A register kept and maintained by an authorised agent may be kept and maintained by means of a computer.
(3) An officer of the Board may, by notice in writing, require an authorised agent to produce for examination—
(a)the register kept and maintained by him or any extract from it; and
(b)any gill tags or logbooks in his possession,
at such place and reasonable time as may be specified in the notice and the authorised agent shall comply with any such notice.