395)
 Transport of Animals and Poultry (Cleansing and Disinfection) Order (Northern Ireland) 1997 (S.R. 1997 No. 396)
 Plant Health (Amendment No. 2) Order (Northern Ireland) 1997 (S.R. 1997 No. 397)
 Chemicals (Hazard Information and Packaging for Supply) (Amendment) Regulations (Northern Ireland) 1997 (S.R. 1997 No. 398)
 Education (Assessment Arrangements for Key Stages 1 and 2) (Amendment) Order (Northern Ireland) 1997 (S.R. 1997 No. 399)
 Social Security (Recovery of Benefits) (1997 Order) (Commencement) Order (Northern Ireland) 1997 (S.R. 1997 No. 400)

401-500

 Explosives (Fireworks) Regulations (Northern Ireland) 1997 (S.R. 1997 No. 401)
 Seed Potatoes (Amendment) Regulations (Northern Ireland) 1997 (S.R. 1997 No. 402)
 Proceeds of Crime (Enforcement of Confiscation Orders made in England and Wales or Scotland) Order (Northern Ireland) 1997 (S.R. 1997 No. 403)
 Pneumoconiosis, etc., (Workers' Compensation) (Paymentof Claims) (Amendment) Regulations (Northern Ireland) 1997 (S.R. 1997 No. 409)
 Road Traffic Regulation (1997 Order) (Commencement No. 1) Order (Northern Ireland) 1997 (S.R. 1997 No. 410)
 Income-Related Benefits and Jobseeker's Allowance (Amendment No. 2) Regulations (Northern Ireland) 1997 (S.R. 1997 No. 412)
 Seeds (Fees) Regulations (Northern Ireland) 1997 (S.R. 1997 No. 413)
 Social Security (Claims and Payments and Adjudication) (Amendment) Regulations (Northern Ireland) 1997 (S.R. 1997 No. 417)
 Food (Pistachios from Iran) (Emergency Control) Order (Northern Ireland) 1997 (S.R. 1997 No. 421)
 Education (Assessment Arrangements for Key Stage 3) Order (Northern Ireland) 1997 (S.R. 1997 No. 422)
 Companies (Revision of Defective Accounts and Report) (Amendment) Regulations (Northern Ireland) 1997 (S.R. 1997 No. 423)
 Fisheries Byelaws (Northern Ireland) 1997 (S.R. 1997 No. 425)
 Child Support Commissioners (Procedure) (Amendment