A liability certificate is a single page in a standard layout. The broker who issued it sits at the top left and the insured company beneath it; the insurers providing each coverage are listed on the right; the middle is a table with one row per coverage showing policy numbers, effective and expiration dates and limits; and the bottom carries a remarks box, the certificate holder, cancellation wording and a signature.

What should I check first on a certificate of insurance?

The expiration date of the specific coverage you require, then the named insured, then the certificate holder. Those three settle whether the document is current, whether it covers the company you hired, and whether it was issued to you. Everything else is detail on top of that.

What is the difference between the certificate date and the policy dates?

The certificate date at the top records when the document was printed. The policy effective and expiration dates in each coverage row record the period of coverage. They are unrelated, and confusing them is the most common misreading of the document — a certificate produced yesterday can describe a policy that lapsed weeks ago.

Does a checked additional-insured box mean I am covered?

No. Additional-insured status is created by an endorsement on the policy itself; the certificate only reports that one exists. The column does not name anyone, state the terms, or prove the endorsement is attached. If your contract requires additional-insured status, ask for a copy of the endorsement form.

Will I be told if the vendor cancels the policy?

Usually not, despite what the cancellation box appears to say. Standard certificate wording generally defers to the policy provisions rather than committing the insurer to notify the certificate holder. If advance notice matters to you, it has to come from a policy endorsement or from your contract with the vendor.

Is a certificate of insurance the same as the policy?

No. It is a summary prepared by a broker describing selected details of a policy at a point in time. It carries none of the policy’s exclusions, conditions, or endorsement text, and it does not confirm that the policy is still in force.

How to read a Certificate of Insurance

Every box on a liability certificate, what it means, and how it commonly gets misread. Each field also says what it doesn’t prove — which is usually the more useful half.

Select a field to find it on the diagram, or read straight through.

An original schematic of where each category of information generally sits on a liability certificate. It is a simplified diagram for teaching the layout — not a reproduction of the ACORD 25 form, and not a document you can fill in or send.

The one thing to understand first

A certificate is a summary written by a broker, describing selected details of a policy on the day the document was produced. It is not the policy. It carries none of the exclusions, conditions, or endorsement text that decide whether a particular claim is covered, and it cannot tell you whether the policy is still in force right now.

That is not a reason to ignore it — it is genuinely useful evidence, and it is what an audit will ask you to produce. It is a reason to read it for what it actually says, which is what the rest of this page is about.

Field by field

1Certificate date

What it is: The date the certificate document itself was produced by the broker. It is a printing date, nothing more.
Why a requester checks it: It tells you how recently someone looked at the policy — useful context, but it is not a coverage date.
Where it goes wrong: Treating a recent certificate date as evidence of current coverage. This is the single most common misreading of the whole document: a certificate issued yesterday can describe a policy that expired last month.
What it does NOT prove: That any policy on the certificate is in force. Only the individual expiration dates speak to that.
When to ask someone: If the certificate date is much older than the policy dates, ask for a freshly issued one so you know nothing changed in between.

2Producer

What it is: The insurance broker or agency that prepared the certificate. They are the vendor’s representative, not the insurer.
Why a requester checks it: This is who you contact for a correction, a reissue, or an endorsement. Going to the producer is almost always faster than going through the vendor.
Where it goes wrong: Confusing the producer with the carrier and asking the broker to confirm coverage they do not underwrite — or assuming the producer is the one bearing the risk.
What it does NOT prove: Anything about the coverage itself. A well-known brokerage on the certificate says nothing about the policy behind it.
When to ask someone: Contact the producer directly when a certificate needs correcting. With the vendor copied in, it usually takes one message.

3Named insured

What it is: The person or entity the policy actually covers.
Why a requester checks it: It must match the entity you contracted with. This is the check that most often fails quietly.
Where it goes wrong: Accepting a certificate in the name of a parent company, a sister company, a DBA, or the owner personally when your contract is with a different legal entity. Also accepting a name that is close but not identical.
What it does NOT prove: That the named insured is the party doing your work. A holding company can be insured while an uninsured operating company shows up on site.
When to ask someone: If the name does not match your contract exactly, ask the vendor which entity holds the policy and which one is performing the work — before assuming it is a typo.

4Insurers (carriers)

What it is: The insurance companies underwriting each policy, usually listed with a letter (A, B, C…) that the coverage rows reference.
Why a requester checks it: The carrier is who ultimately responds to a claim, and the letters are how you tell which carrier wrote which policy.
Where it goes wrong: Ignoring the letters entirely, then assuming all coverages sit with one carrier. Different policies frequently sit with different insurers.
What it does NOT prove: That a policy is currently active, or that the carrier is admitted or rated in your jurisdiction. The certificate does not carry that information.
When to ask someone: If your contract has carrier rating requirements, ask your own broker to check the ratings — the certificate will not tell you.

5Type of insurance

What it is: Which kind of policy each row describes — commercial general liability, automobile liability, umbrella or excess, workers’ compensation, and others.
Why a requester checks it: You need the specific coverages your contract requires. Each is a separate policy with its own dates and limits.
Where it goes wrong: Reading the certificate as one block of "insurance". General liability being current tells you nothing about the auto or workers’ compensation rows.
What it does NOT prove: That the coverage extends to the particular work you hired for. Policies carry exclusions the certificate never shows.
When to ask someone: If the work is unusual for that trade, ask the broker whether the policy excludes it. Exclusions do not appear on a certificate.

6Insurer letter

What it is: A single letter per coverage row, pointing at one of the carriers listed above.
Why a requester checks it: It is the only link between a coverage row and the company that wrote it.
Where it goes wrong: Skipping it, and so not noticing that four coverages are spread across three carriers.
What it does NOT prove: Anything on its own — it is a reference, not information.
When to ask someone: If a letter has no matching carrier listed above, the certificate is incomplete. Ask for a corrected one.

7Additional insured column

What it is: A per-row indication that someone other than the named insured has been added to that policy as an additional insured.
Why a requester checks it: If your contract requires additional-insured status, this is where a certificate signals it.
Where it goes wrong: Treating the mark as the coverage. Additional-insured status is created by an endorsement on the policy — the certificate only reports it. A marked column with no endorsement behind it is the most common worthless certificate there is.
What it does NOT prove: That you specifically are an additional insured, on what terms, or that the endorsement exists at all. The column does not name anyone.
When to ask someone: Always ask for a copy of the endorsement form itself when your contract requires this. Do not accept the column alone.

8Waiver of subrogation column

What it is: A per-row indication that the insurer has given up its right to recover from a third party after paying a claim.
Why a requester checks it: Some contracts require it. If yours does, this is where it is signalled.
Where it goes wrong: The same error as additional insured — assuming the mark creates the waiver. It is an endorsement on the policy.
What it does NOT prove: That a waiver applies in your favour, or that the endorsement is attached.
When to ask someone: Ask for the endorsement form if your contract requires a waiver. The column is not evidence.

9Policy number

What it is: The carrier’s own identifier for that policy.
Why a requester checks it: It is what a broker or carrier needs to look anything up, and it lets you tell a genuine renewal from a re-issued certificate for the same term.
Where it goes wrong: Not recording it, then being unable to reference the policy later. Also missing that a "renewal" carries the identical number and dates as the previous certificate.
What it does NOT prove: That the policy is active. A number persists long after a policy ends.
When to ask someone: Quote the policy number whenever you contact the broker — it removes all ambiguity.

10Policy effective date

What it is: The date that policy period began.
Why a requester checks it: It tells you whether coverage was in place when past work happened, which matters if you are reconstructing a gap.
Where it goes wrong: Overlooking an effective date that starts after a lapse began — a replacement certificate can leave the gap wide open while looking perfectly current.
What it does NOT prove: That coverage was continuous before this date.
When to ask someone: If the effective date is later than the previous policy’s expiration, ask directly whether there was a break in coverage.

11Policy expiration date

What it is: The date that policy period ends.
Why a requester checks it: This is the field that decides whether the certificate is any use to you today, and the one your renewal reminder should be set against.
Where it goes wrong: Tracking a single expiry per vendor when each coverage row has its own. The date that matters for a reminder is the earliest one you require.
What it does NOT prove: That the policy will still be in force the day before it expires. Policies can be cancelled mid-term, and the certificate cannot report that.
When to ask someone: Request the renewal well before this date, not after. If you need certainty that a policy is still in force right now, only the carrier or broker can confirm it.

12Limits

What it is: The maximum the policy will pay, expressed in several ways — commonly per occurrence, a general aggregate, and coverage-specific sub-limits.
Why a requester checks it: Your contract states minimums, and these are the numbers you compare against them.
Where it goes wrong: Reading the largest number on the row and stopping. An aggregate that satisfies your requirement can sit above a per-occurrence limit that does not — and the aggregate is shared across all claims in the period, so earlier claims may already have eaten into it.
What it does NOT prove: That the full limit is still available. The certificate shows the policy limit, not what remains of it.
When to ask someone: If the limits fall short, ask whether the policy already carries more than the certificate reflects before asking for an increase.

13Description of operations

What it is: A free-text box for remarks — often the project, the location, and any endorsement wording the broker chose to spell out.
Why a requester checks it: It is where additional-insured and waiver wording is frequently written out, and where a project or address gets tied to the certificate.
Where it goes wrong: Reading text here as if it modified the policy. It is a description written by the broker, not a term of coverage. Wording in this box does not itself create an endorsement.
What it does NOT prove: That any endorsement described here is actually attached to the policy.
When to ask someone: If the coverage you need appears only as a sentence in this box, ask for the endorsement form. Prose here is not the policy.

14Certificate holder

What it is: The party the certificate was prepared for and issued to.
Why a requester checks it: It should be you, named exactly as your contract requires. If it is not, this certificate was produced for someone else’s relationship.
Where it goes wrong: Accepting a blank holder box, or one naming a managing agent, a lender, or a previous client. Also accepting your trading name when the contract uses your legal entity name.
What it does NOT prove: That being listed here gives you any rights under the policy. Holder status means you were sent the document — nothing more. Rights come from endorsements.
When to ask someone: Ask for reissue with your exact legal name and address whenever it is blank or wrong. It is a quick change for the broker.

15Cancellation wording

What it is: Standard text stating that if a policy is cancelled, notice will be given according to the policy’s own terms.
Why a requester checks it: People often assume it guarantees they will be told. It is worth knowing that it usually does not.
Where it goes wrong: Reading it as a promise of advance notice to you. Modern certificate wording generally defers to the policy provisions rather than committing the insurer to notify the holder.
What it does NOT prove: That you will be notified if the policy is cancelled. If advance notice matters to you, it has to come from an endorsement or your contract.
When to ask someone: If your contract requires notice of cancellation, ask whether the policy carries an endorsement providing it — do not rely on this box.

16Authorized representative

What it is: The signature of the person at the producer who issued the certificate.
Why a requester checks it: An unsigned certificate is an incomplete document.
Where it goes wrong: Treating a signature as verification of the underlying coverage. It attests to issuance, not to accuracy.
What it does NOT prove: That the policy details are current, or that the coverage described is in force.
When to ask someone: If it is unsigned, ask the producer to reissue a signed copy.

Upload your certificate to find these fields on it

The free checker reads an ACORD 25 PDF and lists what it found — dates, limits, carriers, certificate holder — and outlines where each value sits on your own page. No account, no AI, and the document isn’t stored.

Check a certificate

Need to ask for one first? Generate the request email.

The short checklist

Ten lines, in the order worth checking them. Print the page if you want it on paper — it’s plain HTML, so it prints without anything extra.

1Named insured matches the entity on your contract, exactly.
2Every coverage you require is actually listed as its own row.
3Each required coverage’s expiration date is in the future — checked per row, not once.
4Limits meet your contract, reading per-occurrence and aggregate separately.
5You are the certificate holder, named as your contract requires.
6Additional insured required? You have the endorsement form, not just a marked column.
7Waiver of subrogation required? Same — the endorsement, not the column.
8Every insurer letter on a coverage row matches a carrier listed above.
9The certificate is signed by the producer.
10The earliest required expiration date is recorded, with a reminder set ahead of it.

Frequently asked

How does a COI look?: A liability certificate is a single page in a standard layout. The broker who issued it sits at the top left and the insured company beneath it; the insurers providing each coverage are listed on the right; the middle is a table with one row per coverage showing policy numbers, effective and expiration dates and limits; and the bottom carries a remarks box, the certificate holder, cancellation wording and a signature.
What should I check first on a certificate of insurance?: The expiration date of the specific coverage you require, then the named insured, then the certificate holder. Those three settle whether the document is current, whether it covers the company you hired, and whether it was issued to you. Everything else is detail on top of that.
What is the difference between the certificate date and the policy dates?: The certificate date at the top records when the document was printed. The policy effective and expiration dates in each coverage row record the period of coverage. They are unrelated, and confusing them is the most common misreading of the document — a certificate produced yesterday can describe a policy that lapsed weeks ago.
Does a checked additional-insured box mean I am covered?: No. Additional-insured status is created by an endorsement on the policy itself; the certificate only reports that one exists. The column does not name anyone, state the terms, or prove the endorsement is attached. If your contract requires additional-insured status, ask for a copy of the endorsement form.
Will I be told if the vendor cancels the policy?: Usually not, despite what the cancellation box appears to say. Standard certificate wording generally defers to the policy provisions rather than committing the insurer to notify the certificate holder. If advance notice matters to you, it has to come from a policy endorsement or from your contract with the vendor.
Is a certificate of insurance the same as the policy?: No. It is a summary prepared by a broker describing selected details of a policy at a point in time. It carries none of the policy’s exclusions, conditions, or endorsement text, and it does not confirm that the policy is still in force.

Once you can read one

The hard part isn’t reading a certificate. It’s the twelfth one.

Every certificate you collect has its own expiration date, and each one needs chasing before it passes. COI Tracker records those dates and emails you 30, 14, and 7 days ahead of each. Free for your first 3 vendors.

Track your first 3 vendors free See pricing