http://www.legislation.gov.uk/nisro/1955/77/madeThe National Insurance and Industrial Injuries (Reciprocal Agreement with Luxembourg) Order (Northern Ireland) 1955Government Printer for Northern Ireland2018-03-22NATIONAL INSURANCE AND INDUSTRIAL INJURIES The National Insurance and Industrial Injuries (Reciprocal Agreement with Luxembourg) Order (Northern Ireland) 1955OrderThe Social Security (Reciprocal Agreements) Order (Northern Ireland) 2005 Sch. 1 2 art. 1