311Application of Act to certain structures, etc
(1)The Secretary of State may by order provide that a thing designed or adapted for use at sea and described in the order is or is not to be treated as a ship for the purposes of any specified provision of this Act or of an instrument made thereunder.
(2)An order under this section may—
(a)make different provision in relation to different occasions;
(b)if it provides that a thing is to be treated as a ship for the purposes of a specified provision, provide that the provision shall have effect in relation to the thing with such modifications as are specified.
(3)In this section “specified” means specified in the order.