ISO endorsement · commercial general liability

CG 20 12 Additional Insured - State or Governmental Agency or Subdivision or Political Subdivision - Permits or Authorizations

Filings
216
latest Oct 26, 2026
Filing companies
106
53 carrier groups
States
41
Latest edition
12 19
Dec 2019

Coverage description

An Insurance Services Office (ISO) standard form. It adds the state or governmental agency or political subdivision shown in the schedule as an additional insured for operations you perform under a permit or authorization it issued, excluding operations for a government body and completed operations.

How the form has changed

4 changes across 2 revisions, newest first. Each edition is compared with the one before it, using wording from filed copies.

  1. 12 19 edition

    Dec 2019, compared with 04 13Latest edition
    • The additional insured's contract-based limit is now measured against the applicable limits of insurance, without tying it to the limits shown in the Declarations.

      04 13

      “Available under the applicable Limits of Insurance shown in the Declarations”

      12 19

      “Available under the applicable limits of insurance”

  2. 04 13 edition

    Apr 2013, compared with 05 09
    • Coverage for the additional insured now applies only to the extent permitted by law.

      05 09

      Not in this edition

      04 13

      “The insurance afforded to such additional insured only applies to the extent permitted by law”

    • When a contract requires the coverage, it is no broader than the contract requires.

      05 09

      Not in this edition

      04 13

      “will not be broader than that which you are required by the contract or agreement to provide”

    • A new limits provision caps what is paid for the additional insured at the amount the contract requires, and the endorsement does not increase the policy limits.

      05 09

      Not in this edition

      04 13

      “the most we will pay on behalf of the additional insured is the amount of insurance”

Editions

Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.

EditionFilingsCompaniesStatesFiled
12 19Dec 2019Latest1849541Nov 2021 to Oct 2026
04 13Apr 201330238Dec 2021 to Oct 2026
05 09May 2009636Jun 2022 to Feb 2023
07 98Jul 1998525Oct 2023 to Mar 2024

1 other edition date appears in one or two filings each, often carrier-specific versions: 10/1/2020.

Where filings record what this form replaced, they name earlier editions 04 13, 05 09 and other forms G 20 12. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 42 companies filed the 12 19 edition and 7 companies filed 04 13.
  • CG 20 11 (Additional Insured – Managers or Lessors of Premises) is filed alongside it most often, in 213 of the same filings (99%).

Filed under

Commercial General Liability 145Other Liability 37Commercial Package 9Other other liability 8Other Commercial Lines 7Other CMP 4

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings. One filing can cover several affiliated companies.

Carriers filing this form

The 10 carrier groups with the most filings that include CG 20 12, out of 53 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Liberty Mutual Group11 group companies filed it, led by First National Insurance Company of America and General Insurance Company of America343112 19Oct 26, 2026
Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company161612 19Oct 23, 2023
WCF Mutual Insurance Company GroupAssociated Indemnity Corporation161612 19Jan 15, 2026
Nationwide Corporation Group8 group companies filed it, led by Nationwide Agribusiness Insurance Company and Nationwide Insurance Company of America14404 1312 19Oct 21, 2026
Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company10412 1904 1305 09Oct 22, 2026
CNA Insurance Group6 group companies filed it, led by American Casualty Company of Reading, Pennsylvania and National Fire Insurance Company of Hartford9312 1904 13Oct 6, 2026
Starr Group2 group companies filed it, led by Starr Indemnity and Liability Company and Starr Specialty Insurance Company9312 1904 1310/1/2020Apr 13, 2026
Tokio Marine Holdings Incorporated Group5 group companies filed it, led by Safety National Casualty Corporation and TNUS Insurance Company9212 19Feb 17, 2026
Sompo GroupSompo America Insurance Company7212 19Jun 18, 2026
Grange Mutual CAS Group3 group companies filed it, led by Grange Indemnity Insurance Company and Grange Insurance Company6612 19Mar 28, 2024

How the largest insurers handle CG 20 12

Groups among the largest commercial general liability insurers that filed CG 20 12 or their own version in the past five years.

See more forms

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States

Number of filings that include CG 20 12 in each state, Oct 2021 to Oct 2026. Darker states have more filings.

Tennessee: 2 filingsTN2Alabama: 1 filingAL1Florida: 0 filingsFLGeorgia: 3 filingsGA3Oklahoma: 2 filingsOK2South Carolina: 7 filingsSC7Arkansas: 3 filingsAR3Missouri: 2 filingsMO2Indiana: 6 filingsIN6Louisiana: 2 filingsLA2Ohio: 5 filingsOH5Wisconsin: 5 filingsWI5Texas: 1 filingTX1Kentucky: 2 filingsKY2Iowa: 2 filingsIA2Kansas: 3 filingsKS3Mississippi: 2 filingsMS2North Carolina: 2 filingsNC2Nebraska: 1 filingNE1South Dakota: 0 filingsSDMontana: 3 filingsMT3New Hampshire: 1 filingNH1Virginia: 4 filingsVA4Arizona: 0 filingsAZPennsylvania: 3 filingsPA3Rhode Island: 2 filingsRI2Michigan: 0 filingsMIAlaska: 0 filingsAKDistrict of Columbia: 0 filingsDCIdaho: 3 filingsID3Maryland: 2 filingsMD2West Virginia: 1 filingWV1Utah: 2 filingsUT2Wyoming: 6 filingsWY6Delaware: 0 filingsDENew Mexico: 6 filingsNM6Colorado: 39 filingsCO39Connecticut: 2 filingsCT2Maine: 1 filingME1North Dakota: 0 filingsNDIllinois: 12 filingsIL12Minnesota: 0 filingsMNNew Jersey: 2 filingsNJ2New York: 2 filingsNY2Massachusetts: 1 filingMA1Washington: 11 filingsWA11Oregon: 2 filingsOR2Vermont: 2 filingsVT2California: 57 filingsCA57Nevada: 1 filingNV1Hawaii: 0 filingsHI
FewerMore filingsNone

Often filed with

Standard-style form numbers that appear in the same filings most often.

  • CG 20 11Additional Insured – Managers or Lessors of Premises213 filings
  • CG 20 28Additional Insured – Lessor of Leased Equipment208 filings
  • CG 20 18Additional Insured – Mortgagee, Assignee or Receiver207 filings
  • CG 20 26Additional Insured – Designated Person or Organization204 filings
  • CG 20 24Additional Insured – Owners or Other Interests From Whom Land Has Been Leased201 filings
  • CG 20 27Additional Insured – Co-Owner of Insured Premises200 filings
  • CG 20 15Additional Insured – Vendors199 filings
  • CG 20 05Additional Insured – Controlling Interest198 filings
  • CG 20 29Additional Insured – Grantor of Franchise197 filings
  • CG 20 13Additional Insured – State or Governmental Agency or Subdivision or Political Subdivision – Permits or Authorizations Relating to Premises196 filings

Recent filings

Latest filings that include this form number. Filed copies open in FilingFocus.

SubmittedCompanyStateEditionsTracking number
Oct 26, 2026American Economy Insurance Companyand 5 moreRI12 19LBRC-135130111
Oct 22, 2026State National Insurance Company, Inc.CO12 19STNA-135128706
Oct 21, 2026Allied Insurance Company of Americaand 4 moreCA12 19NWPP-G135131050
Oct 6, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCA12 1904 13CNAB-135091690
Aug 20, 2026New York Marine and General Insurance CompanySC12 19PERR-135060921
Aug 17, 2026Mississippi Farm Bureau Casualty Insurance CompanyMS12 19SFBC-135017175
Aug 10, 2026First National Insurance Company of AmericaNE12 19LBRC-135047012
Jul 10, 2026Southern Farm Bureau Casualty Insurance CompanyLA12 19SFBC-135013358
Jul 9, 2026First National Insurance Company of AmericaMS12 19LBRC-135012891
Jun 30, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCO12 1904 13CNAB-135005337
Jun 26, 2026Church Mutual Insurance Company, S.I.CO12 19CHMU-134947220
Jun 26, 2026American Economy Insurance Companyand 6 moreLA12 19LBRC-134964566

Most filed ISO CG forms

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