The rules governing the use of this registration certify:
- The certification rating is awarded to the defined infrastructure project or asset applied for.
- The registrars for the rating must be one or more of the key stakeholders in the project or asset.
- Projects or assets are awarded the rating based on an overall score that is provided in relation to a number of aspects of sustainability (governance, economic, environment, and social).
- Infrastructure projects or assets provided with a rating registration that highlights the level of sustainability performance that it achieved.