Civil Aviation (Navigation Services Charges) Regulations 1991 SI 1991/470 Non-Domestic Rating (Caravan Sites) (Amendment) Regulations 1991 SI 1991/471 Environmental Protection (Prescribed Processes and Substances) Regulations 1991 SI 1991/472 Local Government (Promotion of Economic Development) (Amendment) Regulations 1991 SI 1991/473 Standard Community Charge and Non-Domestic Rating (Definition of Domestic Property) (Amendment) Order 1991 SI 1991/474 Non-Domestic Rating (Electricity Generators) Regulations 1991 SI 1991/475 Litter (Relevant Land of Principal Litter Authorities and Relevant Crown Land) Order 1991 SI 1991/476 Radioactive Substances (Smoke Detectors) Exemption (Amendment) Order 1991 SI 1991/477 Wildlife and Countryside (Registration and Ringing of Certain Captive Birds) (Amendment) Regulations 1991 SI 1991/478 Wildlife and Countryside (Registration to Sell etc. Certain Dead Wild Birds) (Amendment) Regulations 1991 SI 1991/479 Human Fertilisation and Embryology Act 1990 (Commencement No. 2 and Transitional Provision) Order 1991 SI 1991/480 National Health Service (Remuneration and Conditions of Service) Regulations 1991 SI 1991/481 National Health Service Trusts (Public Meetings) Regulations 1991 SI 1991/482 Public Telecommunication System Designation (Wakefield Cable Limited) Order 1991 SI 1991/483 Certification Officer (Amendment of Fees) Regulations 1991 SI 1991/484 Motor Vehicles (Driving Licenses) (Amendment) Regulations 1991 SI 1991/485 Driving Licences (Community Driving Licence) (Amendment) Regulations 1991 SI 1991/486 Merchant Shipping (Light Dues) (Amendment) Regulations 1991 SI 1991/487 Companies Act 1989 (Commencement No. 9 and Saving and Transitional Provisions) Order 1991 SI 1991/488 Financial Services Act 1986 (Restriction of Right of Action) Regulations 1991 SI 1991/489 London Residuary Body (Transfer of Compensation Functions) Order 1991 SI 1991/490 A1 London-Edinburgh-Thurso Trunk Road (North Shotton Slip Road) Order 1991 SI 1991/491 Financial Services Act 1986 (Miscellaneous Exemptions) Order 1991 SI 1991/493 Bankruptcy and Companies (Department of Trade and Industry) Fees (Amendment) Order 1991 SI 1991/494 Insolvency (Amendment) Rules 1991 SI 1991/495 Insolvency Fees (Amendment) Order 1991 SI 1991/496 Education (London Residuary Body) (Property Transfer) Order 1991 SI 1991/497 Food Protection (Emergency Prohibitions) (Lead in Cattle) (England) Order 1991 SI 1991/498 Abortion Regulations 1991 SI 1991/499 Local Authorities (Capital Finance) (Amendment) Regulations 1991 SI 1991/500 501-600 Local Authorities (Capital Finance) (Approved Investments) (Amendment) Regulations 1991 SI 1991/501 Child Benefit and Social Security (Fixing and Adjustment of Rates) Amendment Regulations 1991 SI 1991/502 Social Security Benefits Up-rating Order 1991 SI 1991/503 Social Security (Contributions) Amendment Regulations 1991 SI 1991/504 Social Security (Contributions) (Re-rating) Order 1991 SI 1991/505 Statutory Sick Pay (Rate of Payment) Order 1991 SI 1991/506 Environmental Protection (Applications, Appeals and Registers) Regulations 1991 SI 1991/507 Disposal