There are two authorized requirements you will need to attain earlier than you can begin working; first, you must pass your ACS gas qualification and second, you have to be on the Gas Safe register. http://[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@silvia.woodw.