This unit of competency specifies the outcomes required to audit commercial buildings in classes 2 to 9, up to three storeys, as defined in the Building Code of Australia (BCA), against current requirements of the BCA and local planning policies. The unit supports the work of private and municipal building surveyors providing advisory code-consulting services, who carry out building surveying audits and advise on building compliance. The unit supports the conduct of commercial building surveying audits required as part of a sales process to inform planned works or upgrades to existing commercial buildings, where advice on compliance requirements related to the proposed change of use of a commercial building or as part of an insurance assessment is required. The audit is primarily concerned with the compliance implications of the building.Licensing, legislative, regulatory or certification requirements apply to this unit in some States. Relevant state and territory regulatory authorities should be consulted to confirm those requirements.