Safety in the installation and use of gas systems and appliances
Gas Safety (Installation and Use) Regulations 1998
Approved Code of Practice and guidance
From Regulation 2(1)
“gas fittings” means gas pipework, valves (other than emergency controls), regulators and meters, and fittings, apparatus and appliances designed for use by consumers of gas for heating, lighting, cooking or other purposes for which gas can be used.
From Regulation 2
“work” in relation to a gas fitting includes any of the following activities carried out by any person, whether an employee or not, that is to say -
(b) maintaining, servicing, permanently adjusting, disconnecting, repairing, altering or renewing the fitting or purging it of air or gas;
From Regulation 3
(1) No person shall carry out any work in relation to a gas fitting or gas storage vessel unless he is competent to do so.