) Commercially Available? (b) Produced by an international firm of which the firm is a member? (c) Developed internally by the firm? If no, How does the firm ensure that assurance engagements are performed in

; - Experts are available, if needed; - Individuals meeting the criteria and eligibility requirements to perform engagement quality review are available, where applicable; - Intellectual resources are available

development. ** Post-sunset dates, amber certification is no longer available ** Energy efficiency measures are covered under these energy sector criteria by the very means of establishing thresholds using

accurate? (For example, by frequently reviewing and updating on an annual basis or when there are significant changes) 4 How does the firm address changing circumstances and weaknesses or issues that arise