11.—(1) The Department must, by 19th December 2019 and after consultation with interested parties, publish an indicative railway infrastructure strategy for Northern Ireland which must—
(a)be drafted with a view to meeting future mobility needs in terms of the maintenance, renewal and development needs of the railway infrastructure in Northern Ireland;
(b)take into account, as necessary, the general needs of the European Union, including the need to cooperate with neighbouring countries which are not EEA States; and
(c)be based on sustainable financing.
(2) The strategy referred to in paragraph (1) must—
(a)be in respect of such period as the Department must determine, and
(b)be renewed following this period, in respect of successive periods of time, the length and commencement of which the Department must determine.
(3) The strategy described in paragraph (1) is to be known as the indicative railway infrastructure strategy for Northern Ireland.