# The Radio Equipment and Telecommunications Terminal Equipment Regulations 2000, Regulation 13: Publication of and access to information

Extent: E+W+S+N.I.

(1) Subject to paragraph (7) below, each public telecommunications network operator shall, in relation to all interfaces in use by the operator at the time this regulation comes into force, notify such interfaces to the Director and publish within 90 days of this regulation coming into force, in an accurate and adequate manner, the technical specifications of the interfaces in accordance with paragraph (5) below.
(2) Before services are provided through any interface which is not published under paragraph (1) above the public telecommunications network operator shall
(a) notify such interface to the Director; and
(b) publish the technical specification of the interface in an accurate and adequate manner and in accordance with paragraph (5) below.
(3) Where any interface to which paragraph (1) or (2) above applies is modified by the public telecommunications network operator
(a) he shall notify such modification to the Director and publish such modification in an accurate and adequate manner and in accordance with paragraph (5) below; and
(b) the modification shall include any change in the description of any interface which may affect the maintenance of effective interoperability of services by means of the interface.
(4) Where any interface to which paragraph (1) or (2) above applies is withdrawn, the public telecommunications network operator shall notify such withdrawal to the Director and publish such withdrawal in accordance with paragraph (5) below.
(5) The requirements as to publication are that
(a) the interface specification published shall
(i) be in sufficient detail to permit the design of telecommunications terminal equipment capable of utilising all services provided through the corresponding interface;
(ii) detail any changes in existing interfaces; and
(iii) include, inter alia, all the information necessary to allow manufacturers to carry out, at their choice, the relevant tests for the essential requirements applicable to the telecommunications terminal equipment; and
(b) the interface specification shall be made readily available by the public telecommunications network operator.
(6) If, following any representation made to it OFCOM concludes that any interface specification contains insufficient information for the purpose of paragraph (5), OFCOM may direct the public telecommunications network operator to
(a) amend the interface specification in order to remedy the defect; and
(b) publish the amended interface specification in accordance with the provisions of paragraph (5).
(7) Nothing in this regulation shall require the public telecommunications network operator to publish or send to the Director information which it has already published or sent to the Director.

---
Source: https://www.legislation.gov.uk/uksi/2000/730/regulation/13 (the official version)
Page: https://openlegislation.uk/radio-equipment-and-telecommunications-terminal-equipment-regulations-2000/regulation-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.