Projects should refer to the following credit compliance guidance when planning for recertification. The table outlines the establishment and performance requirements and details the preferred frequency and duration of each performance requirement. Recertification is based on compliance with performance requirements. For the complete set of guidance, refer to the LEED for Existing Buildings: Operations & Maintenance Recertification Guidance.
|Credit||Establishment requirements||Performance requirements|
|MRc3: Sustainable purchasing—facility alterations and additions||N/A||Ongoing tracking
Purchase sustainable construction materials for facility alterations and additions. Provide data from entire recertification performance period. Any alterations that occur during recertification performance period must be included in credit calculations.