12.—(1) Paragraph (2) applies where the Secretary of State—
(a)has specified a ship under regulation 11(1) or (2), or
(b)has by virtue of section 26 of the Act revoked a specification made under that regulation.
(2) The Secretary of State—
(a)must without delay take such steps as are reasonably practicable to inform such persons as the Secretary of State considers appropriate of the specification or revocation, and
(b)except where one or more of the restricted publicity conditions is met, must take steps to publicise the specification or revocation generally.
(3) The “restricted publicity conditions” are that the Secretary of State considers that disclosure of the specification or revocation should be restricted—
(a)in the interests of national security or international relations,
(b)for reasons connected with the prevention or detection of serious crime in the United Kingdom or elsewhere, or
(c)in the interests of justice.
(4) Paragraph (5) applies if—
(a)when a specification is made one or more of the restricted publicity conditions is met, but
(b)at any time when the specification has effect, it becomes the case that none of the restricted publicity conditions is met.
(5) The Secretary of State must take steps to publicise the specification generally.