ISO exclusion · commercial general liability

CG 21 86 Exclusion – Exterior Insulation And Finish Systems

Filings
177
latest Oct 22, 2026
Filing companies
87
50 carrier groups
States
42
including DC
Latest edition
12 25
most filed: 12 04

Coverage description

An Insurance Services Office (ISO) standard form. It excludes bodily injury, property damage, personal and advertising injury and medical payments arising out of exterior insulation and finish systems (EIFS) or similar systems, including your work on exterior parts of structures where such a system is used.

How the form has changed

2 changes across 1 revision, newest first. Each edition is compared with the one before it, using wording from filed copies.

  1. 12 25 edition

    Dec 2025, compared with 12 04Latest edition
    • The endorsement now states that the exclusion is added to Coverage C medical payments as well as Coverages A and B.

      12 04

      Not in this edition

      12 25

      “Section I – Coverage C – Medical Payments:”

    • The definition of an exterior insulation and finish system is broadened: it now includes the listed components rather than consisting of them, and the insulation board may be expanded polystyrene or other materials.

      12 04

      “expanded polystyrene and other materials”

      12 25

      “expanded polystyrene or other materials”

Editions

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

EditionFilingsCompaniesStatesFiled
12 25Dec 2025Latest461538Jul 2024 to Jun 2026
12 04Dec 20041327425Dec 2021 to Oct 2026

Where filings record what this form replaced, they name earlier edition 12 04. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 23 companies filed the 12 04 edition and 9 companies filed 12 25.
  • The newer 12 25 edition first appears Jul 12, 2024 and has been filed by 15 companies in 38 states so far.
  • CG 00 01 (Commercial General Liability Coverage Form) is filed alongside it most often, in 151 of the same filings (85%).

Filed under

Commercial General Liability 136Other Liability 16Commercial Package 10Other other liability 3CMP 3Other Commercial Lines 3

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 21 86, out of 50 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Insurance Services Office, Inc.Advisory Organization373712 25Apr 9, 2025
WCF Mutual Insurance Company GroupAssociated Indemnity Corporation161612 04Jan 15, 2026
Markel Corporation Group3 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company14512 04Oct 22, 2026
Nationwide Corporation Group8 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company11412 04Jul 21, 2025
Siriuspoint GroupSiriusPoint America Insurance Company8312 0412 25Jun 15, 2026
Starr Group2 group companies filed it, led by Starr Indemnity and Liability Company and Starr Specialty Insurance Company6412 04Sep 8, 2025
Church Mutual GroupChurch Mutual Insurance Company, S.I.5212 04Jun 26, 2026
Sompo GroupSompo America Insurance Company5112 04Jun 18, 2026
Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation5112 04Feb 17, 2026
ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company4212 04Dec 8, 2025

How the largest insurers handle CG 21 86

Groups among the largest commercial general liability insurers that filed CG 21 86 or their own version in the past five years.

See more forms

Search related forms, compare editions, and research carrier filings with FilingFocus.

States

Number of filings that include CG 21 86 in each state, Oct 2021 to Oct 2026. Darker states have more filings.

Tennessee: 1 filingTN1Alabama: 0 filingsALFlorida: 0 filingsFLGeorgia: 1 filingGA1Oklahoma: 2 filingsOK2South Carolina: 18 filingsSC18Arkansas: 2 filingsAR2Missouri: 2 filingsMO2Indiana: 3 filingsIN3Louisiana: 2 filingsLA2Ohio: 2 filingsOH2Wisconsin: 1 filingWI1Texas: 1 filingTX1Kentucky: 5 filingsKY5Iowa: 2 filingsIA2Kansas: 2 filingsKS2Mississippi: 2 filingsMS2North Carolina: 0 filingsNCNebraska: 1 filingNE1South Dakota: 0 filingsSDMontana: 3 filingsMT3New Hampshire: 0 filingsNHVirginia: 3 filingsVA3Arizona: 1 filingAZ1Pennsylvania: 2 filingsPA2Rhode Island: 1 filingRI1Michigan: 1 filingMI1Alaska: 0 filingsAKDistrict of Columbia: 1 filingDC1Idaho: 3 filingsID3Maryland: 1 filingMD1West Virginia: 1 filingWV1Utah: 3 filingsUT3Wyoming: 4 filingsWY4Delaware: 0 filingsDENew Mexico: 5 filingsNM5Colorado: 37 filingsCO37Connecticut: 1 filingCT1Maine: 1 filingME1North Dakota: 1 filingND1Illinois: 8 filingsIL8Minnesota: 0 filingsMNNew Jersey: 0 filingsNJNew York: 1 filingNY1Massachusetts: 1 filingMA1Washington: 7 filingsWA7Oregon: 2 filingsOR2Vermont: 1 filingVT1California: 39 filingsCA39Nevada: 1 filingNV1Hawaii: 1 filingHI1
FewerMore filingsNone

Often filed with

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

  • CG 00 01Commercial General Liability Coverage Form151 filings
  • CG 22 29Exclusion - Property Entrusted150 filings
  • CG 22 87Exclusion - Adult Day Care Centers150 filings
  • CG 20 22Additional Insured - Church Members and Officers149 filings
  • CG 21 47Employment- Related Practices Exclusion149 filings
  • CG 22 52Exclusion - Medical Payments Coverage (Inmates, Patients or Prisoners)149 filings
  • CG 22 68Operation of Customers Autos on Particular Premises149 filings
  • CG 22 56Exclusion - Injury to Volunteer Firefighters147 filings
  • CG 22 76Professional Liability Exclusion - Health or Exercise Clubs or Commercially Operated Health or Exercise Facilities147 filings
  • CG 22 88Professional Liability Exclusion - Electronic Data Processing Services and Computer Consulting or Programming Services146 filings

Recent filings

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

SubmittedCompanyStateEditionsTracking number
Oct 22, 2026State National Insurance Company, Inc.CO12 04STNA-135128706
Oct 6, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCA12 04CNAB-135091690
Aug 17, 2026Mississippi Farm Bureau Casualty Insurance CompanyMS12 04SFBC-135017175
Jul 10, 2026Southern Farm Bureau Casualty Insurance CompanyLA12 04SFBC-135013358
Jul 2, 2026State National Insurance Company, Inc.CO12 04STNA-135002472
Jun 26, 2026Church Mutual Insurance Company, S.I.CO12 04CHMU-134947220
Jun 18, 2026Sompo America Insurance CompanyCO12 04SMPJ-134985965
Jun 17, 2026Atlantic Specialty Insurance CompanyNM12 2512 04BEAC-134983795
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 04MRTN-134978899
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 04MRTN-134978902
Jun 2, 2026Zenith Insurance CompanyCA12 04ZICO-134965759
Jun 1, 2026CopperPoint Casualty Insurance Companyand 1 moreSC12 04COPP-134966665

Most filed ISO CG forms

All Commercial General Liability (ISO CG) forms

See more carrier forms

Search forms by carrier, line of business, state, and wording with FilingFocus.