https://www.insurerbrain.com/w/index.php?action=history&feed=atom&title=Definition%3ACertificate_of_insurance_%28COI%29 2026-06-14T22:08:36Z Revision history for this page on the wiki MediaWiki 1.43.8 https://www.insurerbrain.com/w/index.php?title=Definition:Certificate_of_insurance_(COI)&diff=8691&oldid=prev 2026-03-11T04:29:35Z

<p>Bot: Creating new article from JSON</p> <p><b>New page</b></p><div>📋 &#039;&#039;&#039;Certificate of insurance (COI)&#039;&#039;&#039; is a standardized document issued by an [[Definition:Insurance carrier | insurer]] or its authorized [[Definition:Insurance agent | agent]] that provides third parties with a snapshot of an [[Definition:Insured | insured&#039;s]] active [[Definition:Insurance policy | insurance coverage]]. Widely used in commercial transactions, the COI typically lists the [[Definition:Named insured | named insured]], [[Definition:Policy number | policy numbers]], [[Definition:Coverage | coverage]] types, [[Definition:Policy limit | limits of liability]], effective and expiration dates, and any [[Definition:Additional insured | additional insureds]] or special [[Definition:Endorsement | endorsements]]. It serves as proof of insurance without disclosing the full policy language, making it an efficient vehicle for satisfying contractual insurance requirements.<br /> <br /> ⚙️ The most recognized format in the United States is the [[Definition:ACORD | ACORD]] 25 form for [[Definition:Property and casualty insurance | property and casualty]] coverage and the ACORD 28 for [[Definition:Property insurance | property]] evidence. A [[Definition:Certificate holder | certificate holder]] — often a client, landlord, or project owner — requests the COI to verify that the party it is doing business with carries adequate insurance. The issuing [[Definition:Broker | broker]] or agent completes the certificate based on policy records and transmits it to the requesting party. Crucially, the COI itself does not alter, extend, or amend the underlying [[Definition:Insurance policy | policy]]; any language on the certificate stating otherwise is generally considered non-binding. If a [[Definition:Certificate holder | certificate holder]] wants actual coverage rights, such as [[Definition:Additional insured | additional insured]] status, a formal policy [[Definition:Endorsement | endorsement]] must be issued separately.<br /> <br /> 💡 Millions of COIs are generated annually across the U.S. insurance market, and the sheer volume has driven significant [[Definition:Insurtech | insurtech]] innovation. Digital COI platforms now allow [[Definition:Insured | insureds]] and [[Definition:Broker | brokers]] to issue, deliver, and track certificates in real time, replacing the fax-and-email workflows that once dominated. Automated [[Definition:Certificate management | certificate management]] systems on the recipient side verify coverage details against contractual minimums, flagging gaps before they become [[Definition:Liability | liability]] exposures. Despite their simplicity, COIs remain a frequent source of misunderstanding — parties sometimes treat them as guarantees of coverage, when in reality they are informational documents subject to the actual terms and conditions of the policies they reference.<br /> <br /> &#039;&#039;&#039;Related concepts:&#039;&#039;&#039;<br /> {{Div col|colwidth=20em}}<br /> * [[Definition:Certificate holder]]<br /> * [[Definition:Additional insured]]<br /> * [[Definition:ACORD]]<br /> * [[Definition:Certificate management]]<br /> * [[Definition:Proof of insurance]]<br /> * [[Definition:Endorsement]]<br /> {{Div col end}}</div>

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