19(1)A person holding a licence of a kind specified in sub-paragraph (2) and granted under section 6 of the Electricity Act 1989 (c. 29).U.K.
(2)Those licences are—
(a)a transmission licence,
(b)a distribution licence, and
(c)an interconnector licence.
(3)Expressions used in this paragraph and in the Electricity Act 1989 shall have the same meaning in this paragraph as in that Act.
20(1)A person holding a licence of a kind specified in sub-paragraph (2).U.K.
(2)Those licences are—
(a)a licence under section 7 of the Gas Act 1986 (c. 44), and
(b)a licence under section 7ZA of that Act.
21U.K.A water undertaker or sewerage undertaker appointed under section 6 of the Water Industry Act 1991 (c. 56).
22(1)A person who provides a public electronic communications network which makes telephone services available (whether for spoken communication or for the transmission of data).U.K.
(2)In sub-paragraph (1)—
(a)the reference to provision of a network shall be construed in accordance with section 32(4)(a) and (b) of the Communications Act 2003 (c. 21), and
(b)“public electronic communications network” shall have the meaning given by sections 32(1) and 151(1) of that Act.