Coverage description
An Insurance Services Office (ISO) standard form. It replaces the pollution exclusion in owners and contractors protective liability coverage with a total pollution exclusion, keeping an exception for injury or damage from heat, smoke or fumes of a hostile fire away from waste sites and pollutant clean-up sites.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 19Dec 2019Latest | 91 | 65 | 27 | Nov 2021 to Oct 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 10/1/2020.
What the filings show
- Edition in use: in the past 12 months, 24 companies filed the 12 19 edition.
- CG 34 34 (Total Pollution Exclusion with a Building Heating, Cooling and Dehumidifying Equipment Exception and a Hostile Fire Exception) is filed alongside it most often, in 91 of the same filings (99%).
Filed under
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 34 33, out of 33 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 15 | 15 | 12 19 | Oct 23, 2023 |
| Tokio Marine Holdings Incorporated Group4 group companies filed it, led by Safety National Casualty Corporation and TNUS Insurance Company | 8 | 2 | 12 19 | Feb 17, 2026 |
| Sompo GroupSompo America Insurance Company | 7 | 2 | 12 19 | Jun 18, 2026 |
| Grange Mutual CAS Group3 group companies filed it, led by Grange Indemnity Insurance Company and Grange Insurance Company | 6 | 6 | 12 19 | Mar 28, 2024 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 6 | 2 | 12 19 | Jun 15, 2026 |
| Markel Corporation GroupState National Insurance Company, Inc. | 5 | 3 | 12 19 | Oct 22, 2026 |
| Nationwide Corporation Group7 group companies filed it, led by Nationwide Agribusiness Insurance Company and Nationwide General Insurance Company | 5 | 3 | 12 19 | Oct 21, 2026 |
| Starr Group2 group companies filed it, led by Starr Indemnity and Liability Company and Starr Specialty Insurance Company | 5 | 2 | 12 1910/1/2020 | Jun 25, 2025 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 3 | 1 | 12 19 | Dec 8, 2025 |
| Sentry Insurance Group3 group companies filed it, led by Middlesex Insurance Company and Sentry Insurance a Mutual Company | 3 | 1 | 12 19 | Feb 28, 2022 |
How the largest insurers handle CG 34 33
Groups among the largest commercial general liability insurers that filed CG 34 33 or their own version in the past five years.
- Chubb Limited GroupFiles its own version: CB CG 210010 Total Pollution Exclusion With A Hostile Fire Exception (4 states)
- Berkshire Hathaway GroupUses CG 34 33 in 1 filing
- WR Berkley Corporation GroupFiles its own version: CL CG 2264 Total Pollution Exclusion with a Hostile Fire Exception (40 states)
- Fairfax Financial GroupUses CG 34 33 in 1 filing
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States
Number of filings that include CG 34 33 in each state, Oct 2021 to Oct 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CG 34 34Total Pollution Exclusion with a Building Heating, Cooling and Dehumidifying Equipment Exception and a Hostile Fire Exception91 filings
- CG 24 54Automatic Insured Status for Newly Acquired or Formed Limited Liability Companies90 filings
- CG 34 01Additional Insured - Owners, Managers or Lessors of Premises - Liquor Liability90 filings
- CG 20 17Additional Insured - Unit-Owners of Townhouse or Homeowner Associations89 filings
- CG 20 43Additional Insured - Automatic Status When Required in Written Contract or Agreement89 filings
- CG 24 04Waiver of Transfer of Rights of Recovery Against Others to Us (Waiver of Subrogation)89 filings
- CG 29 88Waiver of Transfer of Rights of Recovery Against Others to Us (Waiver of Subrogation)89 filings
- CG 34 03Additional Insured - State or Governmental Agency or Subdivision or Political Subdivision - Permits or Authorizations - Liquor Liability89 filings
- CG 34 04Additional Insured - Sponsor(S) - Liquor Liability89 filings
- CG 34 23Exclusion - Earth Movement89 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Oct 22, 2026 | State National Insurance Company, Inc. | CO | 12 19 | STNA-135128706 |
| Oct 21, 2026 | Allied Insurance Company of Americaand 4 more | CA | 12 19 | NWPP-G135131050 |
| Jun 24, 2026 | Southern Trust Insurance Company | GA | 12 19 | STTR-134864949 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 12 19 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 12 19 | BEAC-134983795 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 12 19 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 12 19 | MRTN-134978902 |
| Mar 20, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CO | 12 19 | CNAB-134872676 |
| Feb 24, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | SC | 12 19 | CNAB-134851008 |
| Feb 17, 2026 | Safety National Casualty Corporation | CO | 12 19 | SFCC-134814522 |
| Feb 6, 2026 | Crum and Forster Indemnity Company | CA | 12 19 | CRUM-134831877 |
| Jan 23, 2026 | Everest Denali Insurance Companyand 2 more | CA | 12 19 | EVST-134799731 |
Most filed ISO CG forms
- CG 40 32 Exclusion - Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
- CG 21 06 Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information
- CG 20 10 Additional Insured - Owners, Lessees or Contractors - Scheduled Person or Organization Endorsement
- CG DS 01 Commercial General Liability Declarations
- CG 20 26 Additional Insured - Designated Person or Organization Endorsement
- CG 00 01 Commercial General Liability Coverage Form
- CG 20 37 Additional Insured - Owners, Lessees or Contractors - Completed Operations Endorsement
- CG 40 28 Broad Abuse or Molestation Exclusion
- CG 20 28 Additional Insured - Lessor of Leased Equipment
- CG 20 11 Additional Insured - Managers or Lessors of Premises
- CG 21 47 Employment-Related Practices Exclusion
- CG 04 35 Employee Benefits Liability Coverage
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