Why is the GC withholding my payment if I already sent a COI?

The certificate does not match the subcontract's insurance exhibit line for line. A COI is proof, not coverage. The GC's accounts payable holds your check until the certificate reflects the exact endorsements required: additional insured status (usually CG 20 10 and CG 20 37), primary and non-contributory language, and waiver of subrogation. The fix is usually an endorsement, not a new policy.

What are the 3 most common reasons a COI gets rejected?

The three line items that stall payment most are: (1) missing additional insured endorsement (CG 20 10 for ongoing operations and CG 20 37 for completed operations), (2) no primary and non-contributory language, and (3) no waiver of subrogation. These must exist as endorsements on your policy and be reflected on the certificate.

How long does it take to get a compliant COI issued?

A COI takes 24 to 72 hours to issue from your agent once the underlying endorsements are in place. If the endorsements already exist on your policy, turnaround is typically 24 to 72 hours from agent request to a compliant COI in the GC's portal.

What is the difference between a certificate of insurance and an endorsement?

A certificate of insurance (COI) is a one-page ACORD form that summarizes your policies, limits, and effective dates for a third party. It is informational and does not add coverage or bind the insurer. An endorsement is a contract with your insurer that actually grants coverage (such as additional insured status, primary and non-contributory treatment, or waiver of subrogation). The COI must reflect what the endorsements say.

Do insurance requirements and endorsement rules vary by state?

Partly. The endorsement forms (such as CG 20 10 and CG 20 37) and the ACORD certificate are standard forms used across the country, so what a certificate does and does not evidence is the same wherever you work. State law can still limit how far an additional insured or indemnity clause reaches, and licensing rules are state-specific, so confirm the details for your state with your broker.

What does 'primary and non-contributory' mean on a COI?

Primary and non-contributory language means your insurance is the first to pay for claims and does not share the cost with the GC's insurance. This is a requirement the GC's contract with the owner often demands, and it must be created by an endorsement on your policy and then reflected on the COI.

Why is my GC holding payment until I send a COI?

The general contractor's contract with the owner requires proof that each subcontractor carries the insurance the subcontract demanded. Until a certificate matches the insurance exhibit, accounts payable will not release your progress payment.

Does a certificate of insurance add coverage?

No. A COI is an informational ACORD summary. It does not add coverage, amend the policy, or bind the insurer. Additional insured status, primary and non-contributory treatment, and waiver of subrogation must be created by endorsements on the policy.

Which endorsements do most subcontracts require?

Most exhibits require CG 20 10 for ongoing operations additional insured status and CG 20 37 for completed operations, plus primary and non-contributory wording and a waiver of subrogation.

How long does it take to get a compliant COI?

If the endorsements already exist on your policy, a re-issued certificate takes about 24 hours. If new endorsements are needed, expect 48 to 72 hours because the carrier must process them first.

GC Withholding Payment Until COI: Fix in 6 Steps

GC withholding payment for COI: get paid in 24-72 hours by matching endorsements (CG 20 10/37, primary/non-contributory, waiver of subrogation) to your subcontract.

This content is general information only and is not legal, tax, financial or insurance advice. Speak to an appropriately licensed professional before acting on it.

🎯 When a GC is withholding payment until you send a COI, the fastest fix is to send a certificate that matches the subcontract's insurance exhibit exactly, including the correct additional insured endorsement (usually CG 20 10 for ongoing operations plus CG 20 37 for completed operations), primary and non-contributory wording, and a waiver of subrogation. A COI takes 24 to 72 hours to issue from your agent once the underlying endorsements are in place. The check is held because the certificate does not match the contract, not because the certificate is missing — usually the fix is an endorsement, not a new policy.

Last updated: August 2026.

TL;DR

A COI is proof, not coverage. The GC's accounts payable holds your check until the certificate matches the contract's insurance exhibit line for line.
The 3 line items that stall payment most: missing additional insured endorsement (CG 20 10 / CG 20 37), no primary and non-contributory language, no waiver of subrogation.
Turnaround: 24 to 72 hours from agent request to a compliant COI in the GC's portal, if the endorsements already exist on your policy.

Methodology: This guide ranks steps by fit for licensed subcontractors resolving a held payment. Clause mechanics are drawn from standard ISO/ACORD forms and are national in scope. No affiliate or vendor placement influences the ordering.

What "GC withholding payment until I send a COI" actually means

The general contractor's payment clerk is not being difficult. Their contract with the owner requires them to hold proof that every sub on the job carries the insurance the subcontract demanded. No matching certificate on file, no release of your progress payment. That is why your certificate of insurance is holding up your check.

The trap: you send a COI, and it still gets rejected. That is because a certificate evidences coverage but does not grant it. The actual coverage the GC wants lives in the endorsements attached to your policy, not on the certificate form. The COI is a summary. The endorsement is the contract with your insurer.

Definition — Certificate of Insurance (COI): A one-page ACORD form issued by your agent that summarizes your policies, limits, and effective dates for a third party (the "certificate holder"). It is informational. It does not add coverage, amend the policy, or bind the insurer. The additional insured status, primary and non-contributory treatment, and waiver of subrogation the GC is looking for must be created by endorsements on the policy and then reflected on the COI.

The distinction has been litigated repeatedly: courts have held that a certificate's disclaimer language controls and that a COI cannot expand coverage beyond the policy itself. See the National Association of Insurance Commissioners guidance on certificates of insurance and the ACORD standards documentation for the authoritative form definitions.

The workflow: from held check to released payment in 6 steps

Ranked by fit for licensed subcontractors chasing a held payment, not by reward. Offers are activation benefits shown inline, not ranking factors.

These clause mechanics come from standard ISO and ACORD forms that are used across the country, so what an endorsement evidences versus what a certificate shows works the same way wherever you work. State law can still limit how far an additional insured or indemnity clause reaches, and licensing and filings are state-specific. You can confirm your carrier's filings and licensing status through your state department of insurance directory.

Don't request anything yet. Before you call your agent, pull the subcontract and read the insurance exhibit line by line. Requesting the wrong endorsement wastes 24 to 72 hours and sometimes triggers an unnecessary premium charge. Verify exactly which forms and limits the exhibit demands first — then request.

Step 1 — Pull the subcontract insurance exhibit and read it line for line

Find the insurance section (often "Exhibit C" or "Article 11"). Write down every requirement: general liability limits, additional insured status for ongoing and completed operations, primary and non-contributory language, waiver of subrogation, and any specific form numbers the GC names. This list is your compliance checklist. Do not skip a line — accounts payable will not.

Step 2 — Compare the exhibit to what your current COI and policy actually show

Lay your existing certificate next to the exhibit. The gap is usually one of three things:

No additional insured endorsement. The COI names the GC as certificate holder but no endorsement grants them AI status.
Missing primary and non-contributory wording. The exhibit requires your policy to pay first; your policy is silent.
No waiver of subrogation. Your carrier reserves the right to recover against the GC; the exhibit forbids it.

Step 3 — Confirm the correct endorsement form numbers

The standard ISO forms most subcontracts require are:

CG 20 10 — Additional Insured, Owners, Lessees or Contractors, for ongoing operations.
CG 20 37 — Additional Insured, Owners, Lessees or Contractors, for completed operations.

Most exhibits want both, because injury claims often surface after the job is finished (completed operations). Verify the edition date the exhibit specifies — carriers issue multiple editions of these forms, and some GCs require a specific one. Confirm current form designations against the ACORD forms library and standards architecture before you request.

Step 4 — Request the endorsements from your agent

Send your agent the exhibit checklist and the specific form numbers. Ask them to (a) add the endorsements to your policy if they are not already on it, and (b) issue an updated COI reflecting them. If the endorsements already exist, you are only asking for a re-issued certificate — that is the 24-hour path. If new endorsements are needed, your carrier must process them first, which is the 48-to-72-hour path and may carry a small premium at renewal.

Step 5 — Review the re-issued COI before it goes to the GC

When the new certificate arrives, check it against your Step 1 list one more time. Confirm the GC's exact legal entity name appears as both certificate holder and additional insured, that the description of operations box references the correct project, and that the endorsement form numbers are listed. A mismatched entity name is one of the most common silent rejections.

Step 6 — Upload to the GC's portal and follow up in writing

Submit the compliant COI through whatever system the GC uses (email, a compliance portal like a third-party tracker, or direct upload). Then email the payment clerk directly, attach the certificate, and reference the specific pay application being held. A written follow-up with the corrected COI attached is what moves the check from "held" to "released."

Bottom line

The GC is not rejecting you — accounts payable is enforcing a contract they signed with the owner. The certificate is a summary; the coverage is in the endorsements. Read the exhibit, confirm CG 20 10 and CG 20 37 (plus primary and non-contributory and a waiver of subrogation), get your agent to reflect them on a re-issued COI, and follow up in writing. Usually the fix is an endorsement, not a new policy.