Gas Act 1965 (c. 36) Gas Act 1965 (c. 36) 2Paragraph 2 Notes on Schedule 12 Commencement I1 Sch. 12 wholly in force at 25.09.1991 see s. 84(2)(3) and S.I. 1991/2092, art. 3. Gas Act 1965 (c. 36)