2 British flag.U.K.
(1)The flag which every British ship is entitled to fly is the red ensign (without any defacement or modification) and, subject to subsections (2) and (3) below, no other colours.
(2)Subsection (1) above does not apply to Government ships.
(3)The following are also proper national colours, that is to say—
(a)any colours allowed to be worn in pursuance of a warrant from Her Majesty or from the Secretary of State;
(b)in the case of British ships registered in a relevant British possession, any colours consisting of the red ensign defaced or modified whose adoption for ships registered in that possession is authorised or confirmed by Her Majesty by Order in Council.
(4)Any Order under subsection (3)(b) above shall be laid before Parliament after being made.