Section 6A of the Gas Act 1986 (“the Act”) provides for the granting by order of exemptions from the prohibition contained in section 5(1)(a) of the Act on conveying gas through pipes to any premises, or to a pipe-line system operated by a licensed gas transporter or the prohibition, contained in section 5(1)(b) of the Act on supplying to premises gas which has been conveyed to those premises through pipes.