Coverage description
An Insurance Services Office (ISO) standard form. It adds reimbursement of reasonable clean-up costs you incur, with the insurer's prior written consent, to curtail or prevent a pollution incident posing imminent danger, under the pollution liability coverage form, within its limits.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 01 96Jan 1996Latest | 91 | 64 | 11 | Nov 2021 to Oct 2026 |
What the filings show
- Edition in use: in the past 12 months, 24 companies filed the 01 96 edition.
- CG 27 02 (Exclusion of Specific Accidents, Products, Work or Locations (for Use with Cgl Claims- Made Policies)) is filed alongside it most often, in 89 of the same filings (98%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 28 33, out of 32 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| WR Berkley Corporation Group14 group companies filed it, led by Acadia Insurance Company and Continental Western Insurance Company | 10 | 2 | 01 96 | Jun 19, 2026 |
| OLD Republic Group3 group companies filed it, led by BITCO General Insurance Corporation and BITCO National Insurance Company | 9 | 1 | 01 96 | May 11, 2026 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 8 | 3 | 01 96 | Jun 15, 2026 |
| Markel Corporation GroupState National Insurance Company, Inc. | 6 | 3 | 01 96 | Oct 22, 2026 |
| Nationwide Corporation Group7 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company | 6 | 3 | 01 96 | Feb 12, 2025 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 01 96 | Jun 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 5 | 1 | 01 96 | Feb 17, 2026 |
| Country Insurance & Financial Services GroupCOUNTRY Mutual Insurance Company | 4 | 1 | 01 96 | Jun 11, 2025 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 3 | 2 | 01 96 | Dec 8, 2025 |
| Ascot Insurance US Group4 group companies filed it, led by Ascot Insurance Company and AmFed Advantage Insurance Company | 3 | 3 | 01 96 | Oct 13, 2023 |
How the largest insurers handle CG 28 33
Groups among the largest commercial general liability insurers that filed CG 28 33 or their own version in the past five years.
- WR Berkley Corporation GroupUses CG 28 33 in 1 filing
- Fairfax Financial GroupUses CG 28 33 in 1 filing
See more forms
Search related forms, compare editions, and research carrier filings with FilingFocus.
States
Number of filings that include CG 28 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 27 02Exclusion of Specific Accidents, Products, Work or Locations (for Use with Cgl Claims- Made Policies)89 filings
- CG 27 05Exclusion of Specific Accidents, Products, Work or Locations (for Use with Products Claims-Made Policies)89 filings
- CG 28 34Supplemental Extended Reporting Period Endorsement (for Use with Products Claims- Made Policy)89 filings
- CG 28 35Supplemental Extended Reporting Period Endorsement for Specific Accidents, Products, Work or Locations (for Use with Products Claims-Made Policies)89 filings
- CG 28 03Supplemental Extended Reporting Period Endorsement (for Use with Liquor Claims-Made Policies)83 filings
- CG 28 02Insured Site Definition (Contractors) (for Use with Pollution Policies)82 filings
- CG 28 01Extended Reporting Period Endorsement (for Use with Pollution Policies)81 filings
- CG 00 39Pollution Liability Coverage Form Designated Sites78 filings
- CG 00 40Pollution Liability Limited Coverage Form Designated Sites78 filings
- CG 00 34Liquor Liability Coverage Form77 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 | 01 96 | STNA-135128706 |
| Jun 19, 2026 | Acadia Insurance Companyand 4 more | CO | 01 96 | BNIC-134992811 |
| Jun 19, 2026 | Berkley Casualty Companyand 8 more | CO | 01 96 | BNIC-134992815 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 01 96 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 01 96 | BEAC-134983795 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | SC | 01 96 | BEAC-134983796 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 01 96 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 01 96 | MRTN-134978902 |
| May 11, 2026 | BITCO General Insurance Corporationand 1 more | CO | 01 96 | LDDX-134937506 |
| Feb 17, 2026 | Safety National Casualty Corporation | CO | 01 96 | SFCC-134814522 |
| Feb 6, 2026 | Crum and Forster Indemnity Company | CA | 01 96 | CRUM-134831877 |
| Dec 9, 2025 | Universal North America Insurance Company | SC | 01 96 | UNAC-134760136 |
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
See more carrier forms
Search forms by carrier, line of business, state, and wording with FilingFocus.