介绍性文本1.引证、生效和延期2.1986年《天然气法》附表4B中《天然气法》的执行规定（电力和天然气（内部市场）附表3中规定的4.5.《电力法》19896的执行规定。1989年《电力法》附表6A中规定的7电力和天然气（内部市场）。8.审查信号解释说明

Introductory Text1.Citation, commencement and extent2.Enforcement provisions of the Gas Act 19863.In Schedule 4B to the Gas Act 1986 (provisions imposing.4.In Schedule 3 to the Electricity and Gas (Internal Markets).5.Enforcement provisions of the Electricity Act 19896.In Schedule 6A to the Electricity Act 1989 (provisions imposing.7.In Schedule 4 to the Electricity and Gas (Internal Markets).8.ReviewSignatureExplanatory Note