Credits INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 INc2 All LEED professionals are required to maintain their credential by earning continuing education hours. The CMP Guide provides detailed guidance on how to keep your LEED credential(s) current. Resource type Technical Guides Link GBCI Credential Maintenance Program (CMP) Guide