Operators of public telecommunications networks shall not refuse to connect telecommunications terminal equipment to appropriate interfaces on technical grounds, where that equipment complies with the requirements of regulation 4.

Where they consider that apparatus declared to be compliant with the provisions of the Directive causes serious damage to a network or harmful interference or harm to the network or its functioning, the Secretary of State and the Director shall, in exercising their functions under Part II and sections 47 to 49 of the Act, ensure that public telecommunications operators may refuse connection, disconnect such apparatus or withdraw it from service.

In exercising their functions under Part II and sections 47 to 49 of the Act, the Secretary of State and the Director shall ensure that in case of emergency, a public telecommunications operator may disconnect apparatus if the protection of the network requires the apparatus to be disconnected without delay, provided that the user is offered an alternative solution without delay and without cost to the user.