Coverage description
An Insurance Services Office (ISO) standard form. It replaces the pollution exclusion with one that excludes all bodily injury and property damage that would not have happened but for the release of pollutants at any time, plus related cleanup and response costs.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 09 99Sep 1999Latest | 165 | 90 | 33 | Nov 2021 to Oct 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 01 96.
What the filings show
- Edition in use: in the past 12 months, 25 companies filed the 09 99 edition.
- CG 21 47 (Employment- Related Practices Exclusion) is filed alongside it most often, in 148 of the same filings (90%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 21 49, out of 52 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| WCF Mutual Insurance Company GroupAssociated Indemnity Corporation | 16 | 16 | 09 99 | Jan 15, 2026 |
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 15 | 15 | 09 99 | Jan 4, 2023 |
| Markel Corporation Group3 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company | 15 | 5 | 09 99 | Oct 22, 2026 |
| Nationwide Corporation Group8 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company | 11 | 4 | 09 99 | Jul 21, 2025 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 7 | 3 | 09 99 | Jun 15, 2026 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 5 | 2 | 09 99 | Dec 8, 2025 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 09 99 | Jun 26, 2026 |
| Intact Financial Group2 group companies filed it, led by Atlantic Specialty Insurance Company and The Guarantee Company of North America USA | 5 | 3 | 09 99 | Oct 22, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 09 99 | Jun 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 5 | 1 | 09 99 | Feb 17, 2026 |
How the largest insurers handle CG 21 49
Groups among the largest commercial general liability insurers that filed CG 21 49 or their own version in the past five years.
- Chubb Limited GroupFiles its own version: CB CG 210009 Total Pollution Exclusion Endorsement (4 states)
- Berkshire Hathaway GroupFiles its own version: M-5788 Total Pollution Exclusion Endorsement (4 states)
- WR Berkley Corporation GroupUses CG 21 49 in 1 filing
- Fairfax Financial GroupUses CG 21 49 in 2 filings
See more forms
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States
Number of filings that include CG 21 49 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 21 47Employment- Related Practices Exclusion148 filings
- CG 00 01Commercial General Liability Coverage Form136 filings
- CG 21 96Silica or Silica- Related Dust Exclusion136 filings
- CG 21 35Exclusion - Coverage C - Medical Payments135 filings
- CG 21 53Exclusion - Designated Ongoing Operations134 filings
- CG 21 39Contractual Liability Limitation (for Use with Cgl and Products Policies)133 filings
- IL 00 21Nuclear Energy Liability Exclusion Endorsement (Broad Form)133 filings
- CG 21 45Exclusion - Damage to Premises Rented to You131 filings
- CG 21 06Exclusion - Access or Disclosure of Confidential or Personal Information and Data-Related Liability - with Limited Bodily Injury Exception126 filings
- IL 00 17Common Policy Conditions126 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Oct 22, 2026 | The Guarantee Company of North America USA | CA | 09 99 | SPRO-G134931114 |
| Oct 22, 2026 | State National Insurance Company, Inc. | CO | 09 99 | STNA-135128706 |
| Oct 6, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CA | 09 99 | CNAB-135091690 |
| Aug 17, 2026 | Mississippi Farm Bureau Casualty Insurance Company | MS | 09 99 | SFBC-135017175 |
| Aug 6, 2026 | The Guarantee Company of North America USA | SC | 09 99 | SPRO-G134890089 |
| Jul 10, 2026 | Trisura Insurance Company | WA | 09 99 | SHNF-134976660 |
| Jul 2, 2026 | State National Insurance Company, Inc. | CO | 09 99 | STNA-135002472 |
| Jul 1, 2026 | Trisura Insurance Company | TX | 09 99 | SHNF-134977147 |
| Jun 30, 2026 | Trisura Insurance Company | IL | 09 99 | SHNF-134983369 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 09 99 | CHMU-134947220 |
| Jun 23, 2026 | Trisura Insurance Company | CA | 09 99 | SHNF-134961098 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 09 99 | SMPJ-134985965 |
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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