http://www.legislation.gov.uk/apni/1967/37/section/55Transport Act (Northern Ireland) 1967An Act to make further provision for the re-organisation of public transport and otherwise to amend the law relating to transport; and for purposes connected therewith.texttext/xmlenStatute Law Database2025-06-03Expert Participation2025-04-01 PART V551Subject to the provisions of this Act it shall be the duty of the subsidiary of the Holding Company incorporated under the name of the Northern Ireland Railways Company Limited (being an authorised railway undertaking and in this Act referred to as the “railway undertaking” ) to provide, or secure the provision of, railway services in Northern Ireland in accordance with any service agreement under the Transport Act (Northern Ireland) 2011 with due regard to efficiency, economy and safety of operation.2References in this Act to “railway services” shall be construed as including services provided for the carriage of passengers and goods by rail and such other services and facilities as appear to the railway undertaking requisite or expedient to provide in connection therewith.Words in s. 55(1) inserted (5.10.2015) by Transport Act (Northern Ireland) 2011 (c. 11), ss. 22, 48(2); S.R. 2015/284, art. 2(1), Sch.