asked the Secretary of State for Industry what licences govern the installation and use of private telephone equipment.

The terms and conditions governing the installation of private telephone equipment to circuits provided by the Post Office are contained in paragraph 38 of the Post Office Telecommunication Scheme 1976, published by the Post Office in the London, Edinburgh and Belfast Gazettes on 26th May 1976. The use of such equipment when connected to the public telephone network is governed by the General Licence for Attachments to Post Office Telecommunications Plant, published by the Post Office in the same Gazettes on 28th February 1973.