Coverage description
An Insurance Services Office (ISO) standard form. It narrows the general liability pollution exclusion so some pollution injury and damage claims are covered, while still excluding waste sites, waste handling, cleanup operations and underground tanks, all under a separate pollution aggregate limit.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 10 01Oct 2001Latest | 115 | 55 | 28 | 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, 19 companies filed the 10 01 edition.
- CG 21 35 (Exclusion - Coverage C - Medical Payments) is filed alongside it most often, in 102 of the same filings (88%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 24 15, out of 32 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| WCF Mutual Insurance Company GroupAssociated Indemnity Corporation | 16 | 16 | 10 01 | Jan 15, 2026 |
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 15 | 15 | 10 01 | Jan 4, 2023 |
| Hastings Mutual Insurance Company | 7 | 5 | 10 01 | Mar 13, 2025 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 7 | 3 | 10 01 | Jun 15, 2026 |
| Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company | 6 | 3 | 10 01 | Oct 22, 2026 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 10 01 | Jun 26, 2026 |
| Nationwide Corporation Group7 group companies filed it, led by Allied Insurance Company of America and Nationwide Insurance Company of America | 5 | 3 | 10 01 | Feb 12, 2025 |
| OLD Republic Group2 group companies filed it, led by BITCO General Insurance Corporation and BITCO National Insurance Company | 5 | 1 | 10 01 | May 11, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 10 01 | Jun 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 5 | 1 | 10 01 | Feb 17, 2026 |
How the largest insurers handle CG 24 15
Groups among the largest commercial general liability insurers that filed CG 24 15 or their own version in the past five years.
- WR Berkley Corporation GroupUses CG 24 15 in 1 filing
- Fairfax Financial GroupUses CG 24 15 in 1 filing
See more forms
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States
Number of filings that include CG 24 15 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 35Exclusion - Coverage C - Medical Payments102 filings
- CG 21 39Contractual Liability Limitation102 filings
- CG 21 45Exclusion - Damage to Premises Rented to You102 filings
- CG 24 09Governmental Subdivisions102 filings
- CG 21 96Silica or Silica- Related Dust Exclusion101 filings
- CG 24 05Financial Institutions - Fiduciary Interest Only101 filings
- CG 24 06Liquor Liability - Bring Your Own Alcohol Establishments101 filings
- CG 21 42Exclusion - Explosion, Collapse, and Underground Property Damage Hazard (Specified Operations)100 filings
- CG 21 51Amendment of Liquor Liability Exclusion - Exception for Scheduled Premises or Activities100 filings
- CG 24 13Amendment of Personal and Advertising Injury Definition100 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 | 10 01 | STNA-135128706 |
| Oct 6, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CA | 10 01 | CNAB-135091690 |
| Aug 31, 2026 | Pekin Insurance Company | IL | 10 01 | PKNS-135067010 |
| Aug 31, 2026 | Pekin Insurance Company | IN | 10 01 | PKNS-135067011 |
| Aug 31, 2026 | Pekin Insurance Company | UT | 10 01 | PKNS-135067014 |
| Aug 31, 2026 | Pekin Insurance Company | WI | 10 01 | PKNS-135067015 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 10 01 | CHMU-134947220 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 10 01 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 10 01 | BEAC-134983795 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 10 01 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 10 01 | MRTN-134978902 |
| May 11, 2026 | BITCO General Insurance Corporationand 1 more | CO | 10 01 | LDDX-134937506 |
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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