Regulation 40

the station shall only be operated at locations approved by the Authority;

the station shall in all cases be operated by the licensee or by persons named in the licence;

the station and all equipment used or intended to be used by the licensee shall be erected, fixed, placed and used, so as not to cause interference to radio-communications in Singapore;

the licensee shall identify himself by the transmission of the callsign assigned to him by the Authority at the beginning and end of each transmission;

any change in the approved location, equipment, mast or antenna system must be approved by the Authority prior to the change being made;

the licensee shall obtain the approval of all relevant authorities before erecting any mast or antenna to be used in connection with the operation of the station; and

the licensee shall —

keep a running record of all transmission periods showing the date and time of each period of transmission and the radio frequency and type of emission employed;

preserve the record of each entry made for 12 months; and

make the record mentioned in sub-paragraph (ii) available for inspection at all reasonable times by an authorised officer.