This has been described as a device in use in Europe, for progressive recording of the achievement of required energy-saving features in homes. The passport is maintained by the building owner, and its completion has correct impact on property values for commercial purposes. I imagine it as a checklist for a region, perhaps within a range of Heating Degree Days and other commonality of climate. I believe the passport should reside with public access, in the cloud. Completions will be noted with links to third-party-verified reports containing ample job-specific photos and captions.