Hong Kong Regulations

GAS SAFETY (INSTALLATION AND USE) REGULATIONS - REGULATION 7

Existing gas fittings

(1) No person shall make any alteration to any premises which would affect a
gas fitting installed in the premises in such a manner that, if such fitting
had been so installed after the alteration, there would have been a
contravention of any provision of these regulations.

(2) No person shall do anything which would affect a gas fitting, or a flue or
means of ventilation used in connection with such fitting, in such a manner
that the subsequent use of such fitting constitutes a danger to any person or
property. (Enacted 1990)