ISO endorsement · commercial general liability

CG 20 28 Additional Insured - Lessor of Leased Equipment

Filings
329
latest Oct 26, 2026
Filing companies
130
62 carrier groups
States
45
including DC
Latest edition
12 19
Dec 2019

Coverage description

An Insurance Services Office (ISO) standard form. It adds the lessor named in the schedule as an additional insured, but only for injury or damage caused in whole or in part by your maintenance, operation or use of equipment it leases to you, and not for occurrences after the lease expires.

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
    • When a contract requires the coverage, the additional insured's limit is the lesser of the contract amount or the applicable limits of insurance, no longer tied 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 07 04
    • Coverage for the additional insured applies only to the extent permitted by law.

      07 04

      Not in this edition

      04 13

      “only applies to the extent permitted by law”

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

      07 04

      Not in this edition

      04 13

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

    • When a contract requires the coverage, the most paid for the additional insured is the lesser of the contract amount or the available limits.

      07 04

      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 2019Latest28510345Nov 2021 to Oct 2026
04 13Apr 2013442619Dec 2021 to Oct 2026
07 04Jul 2004858Jun 2022 to Mar 2024

3 other edition dates appear in one or two filings each, often carrier-specific versions: 05 20, 11 85, 10/1/2020.

Where filings record what this form replaced, they name earlier editions 04 13, 07 04 and other forms CL 5055. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 36 companies filed the 12 19 edition and 7 companies filed 04 13.
  • CG 20 26 (Additional Insured – Designated Person or Organization) is filed alongside it most often, in 318 of the same filings (97%).

Filed under

Commercial General Liability 253Other Liability 37Commercial Package 13Other 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 28, out of 62 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
OBS Holdings Group2 group companies filed it, led by Obsidian Insurance Company and Obsidian Pacific Insurance Company363612 19Feb 3, 2023
Clear Blue Financial GroupClear Blue Insurance Company343412 19Feb 11, 2026
Liberty Mutual Group11 group companies filed it, led by First National Insurance Company of America and General Insurance Company of America343112 19Oct 26, 2026
United Fire & CAS Group7 group companies filed it, led by United Fire and Casualty Company and Addison Insurance Company292812 19Dec 28, 2022
Berkshire Hathaway Group5 group companies filed it, led by Berkshire Hathaway Homestate Insurance Company and Oak River Insurance Company161504 13Aug 19, 2024
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
Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company10412 1904 1307 04Oct 22, 2026
Nationwide Corporation Group8 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company10304 1312 19Feb 12, 2025
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

How the largest insurers handle CG 20 28

Groups among the largest commercial general liability insurers that filed CG 20 28 or their own version in the past five years.

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States

Number of filings that include CG 20 28 in each state, Oct 2021 to Oct 2026. Darker states have more filings.

Tennessee: 5 filingsTN5Alabama: 4 filingsAL4Florida: 0 filingsFLGeorgia: 5 filingsGA5Oklahoma: 5 filingsOK5South Carolina: 8 filingsSC8Arkansas: 6 filingsAR6Missouri: 7 filingsMO7Indiana: 9 filingsIN9Louisiana: 4 filingsLA4Ohio: 11 filingsOH11Wisconsin: 9 filingsWI9Texas: 2 filingsTX2Kentucky: 5 filingsKY5Iowa: 5 filingsIA5Kansas: 6 filingsKS6Mississippi: 5 filingsMS5North Carolina: 4 filingsNC4Nebraska: 4 filingsNE4South Dakota: 4 filingsSD4Montana: 6 filingsMT6New Hampshire: 1 filingNH1Virginia: 4 filingsVA4Arizona: 0 filingsAZPennsylvania: 4 filingsPA4Rhode Island: 4 filingsRI4Michigan: 0 filingsMIAlaska: 0 filingsAKDistrict of Columbia: 2 filingsDC2Idaho: 6 filingsID6Maryland: 4 filingsMD4West Virginia: 3 filingsWV3Utah: 6 filingsUT6Wyoming: 10 filingsWY10Delaware: 2 filingsDE2New Mexico: 9 filingsNM9Colorado: 39 filingsCO39Connecticut: 4 filingsCT4Maine: 3 filingsME3North Dakota: 4 filingsND4Illinois: 17 filingsIL17Minnesota: 0 filingsMNNew Jersey: 5 filingsNJ5New York: 2 filingsNY2Massachusetts: 3 filingsMA3Washington: 10 filingsWA10Oregon: 4 filingsOR4Vermont: 3 filingsVT3California: 61 filingsCA61Nevada: 5 filingsNV5Hawaii: 0 filingsHI
FewerMore filingsNone

Often filed with

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

  • CG 20 26Additional Insured – Designated Person or Organization318 filings
  • CG 20 11Additional Insured – Managers or Lessors of Premises300 filings
  • CG 20 10Additional Insured – Owners, Lessees or Contractors – Scheduled Person or Organization280 filings
  • CG 20 18Additional Insured – Mortgagee, Assignee or Receiver279 filings
  • CG 20 01Primary and Noncontributory – Other Insurance Condition227 filings
  • CG 20 15Additional Insured – Vendors226 filings
  • CG 20 36Additional Insured – Grantor of Licenses213 filings
  • CG 21 06Exclusion – Access or Disclosure of Confidential or Personal Information and Data-Related Liability – with Limited Bodily Injury Exception212 filings
  • CG 20 27Additional Insured – Co-Owner of Insured Premises210 filings
  • CG 20 35Additional Insured – Grantor of Licenses – Automatic Status When Required by Licensor210 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 6, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCA12 1904 13CNAB-135091690
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
Jun 26, 2026First National Insurance Company of AmericaME12 19LBRC-134998659
Jun 24, 2026Southern Trust Insurance CompanyGA12 19STTR-134864949

Most filed ISO CG forms

All Commercial General Liability (ISO CG) forms

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