Section 56

If the Board is satisfied that the working or operation of any electrical or supply installation causes electrical interference with any radio-communication, telecommunication, telegraph, telephone or other electrical signalling process or circuits, owned or operated by or on behalf of the Government or by any person licensed under the provisions of the Telecommunication Authority of Singapore Act [Cap. 323] the licensee shall be called upon to abate the interference and if, within a period of 14 days or such longer period as is considered reasonable by the Board in any particular circumstances, the interference has not been effectually abated, the Board may order the cancellation of the licence and prohibit the working or operation of the electrical or supply installation.