13.—(1) Subject to regulation 15, the Executive shall arrange for the preparation of an external emergency plan, specifying the measures to be taken outside each upper tier establishment.
(2) An external emergency plan shall be prepared no later than six months (or such longer period not exceeding nine months agreed by the Department in writing) after the receipt of the necessary information from the operator.
(3) The operator shall provide the Executive with the information necessary to enable it to arrange for the preparation of an external emergency plan.
(4) The information in paragraph (3) shall be provided to the Executive before the date on which the internal emergency plan is required to be prepared for the establishment under regulation 12(2).
(5) Despite paragraph (1), the Executive is not required to arrange for the preparation of an external emergency plan if—
(a)the off-site emergency plan prepared under regulation 10 of the 2000 Regulations, immediately before 28th September 2015, remains materially unchanged; and
(b)it complies with the requirements of regulation 11 and this regulation,
in which case it is to be treated as an external emergency plan prepared under this regulation.
(6) An external emergency plan shall contain the information specified in Part 2 of Schedule 4.
(7) In arranging for the preparation of an external emergency plan the Executive shall consult—
(a)the operator;
(b)the Department of the Environment;
(c)the designated authorities who are liable to be required to respond to an emergency at the establishment; and
(d)such members of the public and other persons as it considers appropriate.