This Standard specifies general requirements and test methods for appliances and equipment which use gas as a fuel and which are intended for domestic, commercial or light industrial use, to an energy input limit of 1000 MJ/h or any lower limit specified in the appliance-specific Part of the AS/NZS 5263 series of Standards. This Standard provides requirements for appliances for fixed installation, portable and mobile appliances and appliances for use in caravans and boats.For Australia, the fuel gases are natural gas (as described by AS 4564), town gas, liquefied petroleum gas (LP Gas, as described by AS 4670), simulated natural gas (SNG) and tempered liquefied petroleum gas (TLP).For New Zealand-(a) The fuel gases are natural gas (as specified in NZS 5442) and general product liquefied petroleum gas (NZLPG, as specified in NZS 5435).(b) Thermal efficiency requirements are informative only, except where they relate to safety.Appliance-specific Parts of the AS/NZS 5263 series contain clauses that add to, delete, or modify the corresponding clauses in this Standard to provide the relevant requirements for each type of appliance.Test methods are set out in Appendices ZA, ZB and ZC (see Clause 1.4).NOTE: Other statutory or regulatory requirements may be applicable to the product(s) that fall within the scope of this Standard. It is the manufacturer’s, importer’s or distributor’s responsibility (as appropriate) to ensure that products comply with such requirements.