Explanatory note Northern Ireland F1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Annotations Textual amendments F1 Regulations revoked (6.4.1997) by The Social Security (Contributions) (Amendment No. 2) Regulations (Northern Ireland) 1997 (S.R. 1997/116), regs. 1, 3 ← Signature Note