19In section 48(1) (interpretation of Part I)—
(a)after the definition of “authorised area” there is inserted—
““authorised supplier” means a person authorised by a licence or exemption to supply to any premises gas which has been conveyed to those premises through pipes;
“authorised transporter” means a person authorised by a licence or exemption to convey gas through pipes to any premises or to a pipe-line system operated by a gas transporter;”;
(b)before the definition of “gas” there is inserted—
““exemption” means an exemption under section 6A;”;
(c)the definition of “domestic customer” shall be omitted; and
(d)for the definition of “licence” there is substituted—
““licence” means a licence under section 7 or 7A and “licence holder” shall be construed accordingly;”.