Regulation 15 Mobility of vessels

The master of a vessel, other than a dumb barge, carrying a dangerous substance specified in Schedule 3 in the quantity, if any, specified in that Schedule shall ensure that the vessel is in a state of readiness to be moved at any time tidal conditions permitting.

The harbour master may, if he is satisfied that the health or safety of any person will not be prejudiced, exempt by a certificate in writing, a master, other than the master of a vessel carrying any explosive specified in sub-paragraph (a) of Schedule 3, from the requirements of paragraph (1), and any such exemption may be granted subject to conditions and to a limit of time and may be revoked at any time by a certificate in writing.