Local-authority sign-off that the space may be occupied.

  • Local-authority sign-off that the space may be occupied.
  • Required for legal tenant occupancy in most jurisdictions.

Certificate of occupancy (CO)

Legal · Global

Short definition

Local-authority sign-off that the space may be occupied.

Full definition

Required for legal tenant occupancy in most jurisdictions. Common rent-commencement trigger: earlier of CO issued or tenant moving in.

Why this matters for Class A leasing

Certificate of occupancy (CO) is part of the legal vocabulary that institutional Class A occupiers, landlords, and advisers use across Global markets. Understanding it correctly affects how you read lease documents, model occupancy economics, and benchmark deal terms across cities. Class A Atlas tracks regional variation alongside the global standard so cross-border occupiers can translate quickly.