More plainly under the Small Vessel Regulations:
POWERS OF ENFORCEMENT OFFICERS
46. An enforcement officer may, in order to verify and ensure compliance with these Regulations,
a - go on board a vessel;
b - examine a vessel and its equipment;
c - require that the owner or the master or other person who is in charge or appears to be in charge of the vessel produce, forthwith,
(i) personal identification, and
(ii) any licence, document or plate required by these Regulations; and
(d) ask any pertinent questions of, and demand all reasonable assistance from, the owner or the master or other person who is in charge or appears to be in charge, of the vessel.
Dan