Acord 25 Common Mistakes Explained: Key Insights for Brokers

ACORD 25 common mistakes cost agencies real money. IIABA's 2025 E&O report identifies certificate of insurance errors as one of the top five sources of agency E&O claims nationwide, with certificate-related incidents averaging $30,000 to $80,000 in defense and indemnity costs per claim. With approximately 200 million ACORD 25 certificates issued annually in the US (ACORD 2024), the margin for error is slim and the consequences are direct.

This post covers the 10 most frequent errors agents make on ACORD 25 certificates, why each one creates E&O exposure, and what to do instead.

Key Takeaways

• Checking the Additional Insured box without a policy endorsement is the single most common COI-related E&O trigger, according to IIABA 2025.
• 11% of certificate-related E&O claims in IIABA's 2025 report involved a Waiver of Subrogation marked on the certificate without the endorsement being placed on the policy.
• Listing limits higher than the actual policy on an ACORD 25 creates direct agent liability for the gap between the stated and actual limit in a loss scenario.
• ACORD 25 (2016/03) is the current standard version; agencies using the 2010 version lack updated fields that newer contract requirements reference.
• Promising 60-day or 90-day cancellation notice on an ACORD 25 without written carrier agreement is an unauthorized representation that creates independent agent liability.
• The Description of Operations field is the most abused section: writing coverage language that has no endorsement backing makes the agent personally liable for any gap between what the certificate states and what the policy actually covers.

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Why ACORD 25 Errors Have Consequences

The ACORD 25 carries a disclaimer on its face: it confers no rights on the certificate holder and does not amend, extend, or alter the coverage afforded by the policies listed. Courts and regulators read that language literally.

But the agent who signs the form attests to the accuracy of every field. When a certificate holder suffers a loss and discovers the certificate overstated their coverage, they often turn to the issuing agent. That is the E&O claim. The carrier is not liable for what the ACORD 25 says - only for what the policy says. The difference between those two documents is the agent's problem.

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Mistake 1: Using a DBA Instead of the Legal Entity Name

The insured name field on an ACORD 25 must contain the exact legal entity name as it appears on the policy declarations. Agents frequently list a trade name or DBA (doing business as) name instead.

Example: A client operates as "Metro Electric" but is incorporated as "Metro Electric Services LLC." The policy names "Metro Electric Services LLC." The agent lists "Metro Electric" on the certificate. The general contractor's contract is with "Metro Electric Services LLC." If a claim arises and the carrier reviews the certificate, the mismatch creates grounds for a coverage dispute about which entity is actually the insured being documented.

The fix is straightforward: pull the policy declarations before completing the ACORD 25 and copy the insured name exactly as it appears. Do not guess from the client's business card or email signature.

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Mistake 2: Checking the Additional Insured Box Without an Endorsement

This is the leading source of COI-related E&O claims in the US (IIABA 2025). The Additional Insured checkbox on the ACORD 25 represents that a policy endorsement grants additional insured status to the certificate holder. The ACORD 25 form itself creates no coverage.

If the agent checks the AI box without confirming an endorsement is on the policy, and the certificate holder later tenders a defense or indemnity demand as an additional insured, the carrier will deny the tender. The certificate holder's attorney will then look at who signed the ACORD 25 and what the checkbox represents. The agent faces a direct E&O claim for the gap.

Before checking the Additional Insured box: confirm the endorsement. Pull the endorsement page. Confirm the certificate holder's name matches the endorsement schedule (for scheduled endorsements) or that the endorsement is blanket. Document what you reviewed and when.

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Mistake 3: Checking Waiver of Subrogation Without the Endorsement

Same structure as Mistake 2, different checkbox. The Waiver of Subrogation (WOS) checkbox represents that the carrier has agreed to waive its right of subrogation against the certificate holder. This requires a policy endorsement - for workers' compensation, typically WC 00 03 13; for general liability, a WOS endorsement to the CGL policy.

IIABA's 2025 E&O report found that 11% of certificate-related E&O claims involved a WOS marked on the certificate without the corresponding endorsement being placed. In dollar terms, WOS errors are disproportionately expensive because they arise in construction projects with high loss potential.

The fix: never check the WOS box without seeing the endorsement in the policy file. If the client says "we always get a WOS," verify it with the current policy year. Endorsements from prior years do not carry forward automatically.

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Mistake 4: Listing Limits Higher Than the Policy

An agent lists $2,000,000 per occurrence on a GL policy that has a $1,000,000 per occurrence limit. The carrier pays the claim at $1,000,000. The certificate holder expected $2,000,000 based on the ACORD 25. The agent is now potentially liable for the $1,000,000 gap.

This error sometimes happens when an agent copies a prior year's certificate without pulling the current policy, or when a client upgrades their coverage on paper but the endorsement has not yet been issued and the agent lists the requested limit instead of the actual one.

Every limit on an ACORD 25 must come directly from the current policy declarations. If the declarations page shows $1,000,000 per occurrence, that is the number that goes on the form - regardless of what the client's contract requires or what was requested of the carrier.

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Mistake 5: Using an Outdated Form Version

ACORD 25 (2016/03) is the current version. Some agencies still have older form templates in their management systems, particularly the ACORD 25 (2010/05). The 2010 version lacks specific field references and language that appear in newer contract requirements from construction industry owners, government agencies, and commercial landlords.

Certificate holders who receive a 2010 version may reject it outright or question whether the coverage documentation is current. Beyond optics, using the wrong version can mean missing fields that should be completed or using outdated cancellation language.

Check your agency management system's template library. If it is not generating ACORD 25 (2016/03), update the template.

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Mistake 6: Promising Extended Cancellation Notice Without Carrier Agreement

The ACORD 25 standard cancellation provision requires 30 days notice before cancellation. Some certificate holders request 60 or 90 days. Agents sometimes accommodate this by writing "60 Days Notice of Cancellation" in the Description of Operations or by modifying the cancellation section.

This is only permissible if the carrier has agreed in writing to provide extended notice. Without carrier backing, the agent has made an unauthorized representation. When the policy cancels and the carrier sends 30-day notice (as the policy provides), the certificate holder may not receive the extended notice they were promised. The gap creates a direct agent liability claim.

The correct approach: if a client needs 60-day notice, request a cancellation notice endorsement from the carrier. If the carrier will not provide one, tell the certificate holder that 30 days is the maximum the carrier will agree to. Do not offer more than the policy provides.

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Mistake 7: Description of Operations Overreach

The Description of Operations field is the most abused section of the ACORD 25. Agents use it to satisfy certificate holders who request specific coverage language in their contracts. The problem arises when the language the certificate holder wants does not correspond to any endorsement on the actual policy.

Common examples of overreach:

• Writing "Coverage is Primary and Non-Contributory" when no CG 20 01 endorsement (or equivalent) is on the policy
• Writing "Blanket Additional Insured Including Completed Operations" when only a scheduled AI endorsement is in place
• Writing "Notice of Cancellation: 60 Days" without carrier agreement
• Writing coverage for specific named perils or operations that are excluded under the policy

Certificate holders treat Description of Operations language as a representation of coverage. Courts have found agents liable for losses where the certificate stated coverage language that the policy did not support. The field should contain only references to endorsements that actually exist on the policy.

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Mistake 8: Incorrect or Stale Policy Dates

Policy dates on the ACORD 25 must reflect the current policy term. Two common errors:

Using the original inception date on a renewed policy: If the policy originally incepted 01/01/2023 and has renewed annually, the 2026 certificate should show the current term (01/01/2026 to 01/01/2027), not the original inception date.

Issuing a certificate for coverage that has not yet started: If a client signs a contract on April 1 and the new policy does not incept until May 1, the agent cannot issue an ACORD 25 showing April 1 coverage. The policy does not cover that period.

Both errors misrepresent the actual coverage period and can result in E&O claims if a loss occurs during the gap between what the certificate shows and what the policy actually covers.

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Mistake 9: Listing the Wrong Carrier

The ACORD 25 insurer fields require the full legal name of the underwriting company, not a brand or parent company name. Insurance groups often have multiple underwriting entities. "Zurich" may be underwriting through "Zurich American Insurance Company" for one client and "American Guarantee and Liability Insurance Company" for another. These are different legal entities with different NAIC numbers.

Listing the wrong carrier creates two problems. First, it misidentifies who is actually providing the coverage. Second, it may cause the certificate holder to misidentify the carrier when tendering a claim or verifying coverage. NAIC numbers resolve this: each legal underwriting entity has a unique NAIC number, and listing the correct one allows the certificate holder to independently verify the entity.

The fix: pull the declarations page, read the full legal carrier name, cross-reference the NAIC number at naic.org, and enter both on the ACORD 25.

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Mistake 10: Missing the Authorized Representative Signature

The authorized representative line at the bottom of the ACORD 25 requires a signature. This signature confirms that a licensed agent or authorized individual has reviewed the certificate and attests to its accuracy.

An unsigned ACORD 25 is technically unexecuted. Many certificate holders, particularly large general contractors, government agencies, and institutional landlords, reject unsigned certificates and require a re-issue. Beyond the rejection issue, the signature carries legal weight: it is the agent's attestation that every field above is accurate. Signing without reviewing creates liability; not signing at all is sloppy practice that creates rejection delays.

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ACORD 25 Common Mistakes: Risk Reference Table

Source: IIABA 2025 E&O Report; ACORD 2024 Certificate Issuance Data; BrokerageAudit analysis.

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Building a Certificate Quality Control Process

Individual error awareness only goes so far. Agencies that reduce certificate-related E&O claims to near zero have systematic processes, not just individual vigilance.

Pre-Issuance Checklist

Every ACORD 25 should go through a minimum check before it leaves the agency:

1. Insured name matches policy declarations exactly
2. Policy dates match current policy term
3. All limits pulled from current declarations, not from memory or prior certificate
4. Carrier names are legal underwriting entity names with correct NAIC numbers
5. Additional Insured box checked only if endorsement is confirmed and documented
6. Waiver of Subrogation box checked only if endorsement is confirmed and documented
7. Description of Operations contains only endorsement-supported language
8. Cancellation notice reflects only what the carrier has agreed to provide
9. Certificate holder name matches the requesting party's legal name
10. Authorized representative signature applied by a licensed individual

Documentation Standards

Document the source of every piece of information on the ACORD 25. Which declarations page did the limits come from? Which endorsement backs the AI checkbox? Which carrier confirmation backs the extended cancellation notice? If you ever face an E&O claim, documentation of your process is your defense.

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Frequently Asked Questions

What is the most common E&O risk on an ACORD 25 certificate?

The most common E&O risk is checking the Additional Insured box on an ACORD 25 without a corresponding endorsement on the policy. IIABA's 2025 E&O report identifies this as the leading source of certificate-related E&O claims. The box represents that an endorsement exists; if it does not, the agent has made a false statement on a legal document and is directly liable for any gap in coverage the certificate holder experiences as a result.

Can you list coverage on an ACORD 25 that isn't actually in the policy?

No. Listing limits, endorsement references, or coverage language on an ACORD 25 that the policy does not support is a misrepresentation. The carrier will pay only what the policy provides. If the certificate holder suffers a loss and relies on coverage shown on the ACORD 25 that the policy does not provide, the agent who issued the certificate faces an E&O claim for the gap. Every field on an ACORD 25 must reflect what the policy actually covers.

What happens if the Additional Insured box is checked but the endorsement wasn't placed?

The certificate holder believes they are an additional insured under the policy. When they tender a claim or request defense from the insured's carrier, the carrier will deny the tender because no endorsement exists. The certificate holder then has a claim against the issuing agent for the coverage the certificate represented but the policy did not provide. This is the most common scenario in certificate-related E&O litigation, and defense costs alone routinely exceed $30,000 even when the agent ultimately prevails.

What version of ACORD 25 should agencies be using in 2026?

Agencies should be using ACORD 25 (2016/03). The year 2016 and the month 03 appear in the form's lower left footer. If your agency management system generates an older version, particularly the 2010/05 version, update the form template. The 2016/03 version reflects current industry requirements for additional insured language, waiver of subrogation references, and other fields that modern contracts specify.

How should the cancellation notice section of ACORD 25 be handled?

The standard ACORD 25 provides 30-day notice of cancellation. This is the default and should be left as-is unless the carrier has specifically agreed in writing to provide extended notice. If a certificate holder requests 60-day or 90-day notice, obtain a cancellation notice endorsement from the carrier before representing that longer notice on the certificate. Writing extended notice language without carrier backing is an unauthorized representation that creates independent agent liability if the policy cancels and the carrier only provides the 30-day standard notice.

What is the risk of using the wrong insured name on an ACORD 25?

Using a DBA, trade name, or abbreviated name instead of the insured's full legal entity name creates a mismatch between the certificate and the policy declarations. In a claim scenario, the carrier may argue that the entity named on the certificate is not the same as the entity named on the policy, creating coverage dispute grounds. The certificate holder may also face delays or denials when trying to verify coverage or tender claims. The risk compounds when the certificate holder's contract references a specific legal entity: if the ACORD 25 names a different entity, the contract compliance issue falls back on the agent who issued the non-conforming certificate.

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BrokerageAudit's COI Manager validates every ACORD 25 field against the policy record before issuance, catching errors before they become E&O claims. See how it works →

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Related terms: Primary And Noncontributory, Certificate Of Insurance, Waiver Of Subrogation

Related posts: #151, #155

Written by Javier Sanz, Founder of BrokerageAudit. Last updated April 2026.