Hong Kong Regulations

GAS SAFETY (REGISTRATION OF GAS INSTALLERS AND GAS CONTRACTORS) REGULATIONS - REGULATION 8

Issue of registration card

Where the Authority grants registration to an applicant as a gas  installer,
he shall issue to the applicant a registration card in the approved form as
evidence of such registration but, in any case, such card shall specify the
class or classes of gas installation work in respect of which the applicant is
so registered. (Enacted 1990)