介绍性文本1.引文，生效和解释2.对主要法规第2条的修订3.对主要法规第8A和第9条的修订4.对主要法规附表3的修订5.对主要法规附表5的修订6.对化学品的修订（危险信息和供应包装）（修订）条例20057。重大事故危害控制条例1999修订签名附表1附表2附表3附表4注释

Introductory Text1.Citation, commencement and interpretation2.Amendments to regulation 2 of the principal Regulations3.Amendments to regulations 8A and 9 of the principal Regulations4.Amendments to Schedule 3 of the principal Regulations5.Amendments to Schedule 5 of the principal Regulations6.Amendments to the Chemicals (Hazard Information and Packaging for Supply)(Amendment) Regulations 20057.Amendments to the Control of Major Accident Hazards Regulations 1999SignatureSCHEDULE 1SCHEDULE 2SCHEDULE 3SCHEDULE 4Explanatory Note