COI Endorsement Decoder
What every common ACORD 25 endorsement code actually means, what to verify on a sub's COI, and the mistakes that get GCs in trouble.
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Additional Insured
CG 20 10
CGLAdditional Insured — Owners, Lessees or Contractors — Scheduled Person Or Organization
Adds the GC or owner as an additional insured on the sub's CGL — for ongoing operations only.
CG 20 26
CGLAdditional Insured — Designated Person Or Organization
Broader additional-insured form than CG 20 10 — covers acts of either party, not just ongoing operations.
CG 20 33
CGLAdditional Insured — Owners, Lessees Or Contractors — Automatic Status When Required In Construction Agreement With You
Automatic AI status when the subcontract requires it — no schedule needed, but limited to ongoing operations.
CG 20 37
CGLAdditional Insured — Owners, Lessees or Contractors — Completed Operations
The completed-operations companion to CG 20 10 — extends AI status to liability arising after work is finished.
CG 20 38
CGLAdditional Insured — Owners, Lessees or Contractors — Automatic Status For Other Parties When Required In Written Construction Agreement
Automatic AI status including completed operations — the bundled equivalent of CG 20 33 + CG 20 37.
Waiver of Subrogation
Contractual Liability
Workers' Comp
Aggregate Limits
Other
CG 04 35
CGLEmployee Benefits Liability Coverage
Adds coverage for errors in administering employee benefit programs — usually irrelevant to sub COIs.
CG 21 44
CGLLimitation Of Coverage To Designated Premises Or Project
RESTRICTS coverage to a specific project — make sure your project is the listed one.
CG 21 49
CGLTotal Pollution Exclusion Endorsement
Excludes ALL pollution claims — important for environmental/abatement subs.