Coverage description
An Insurance Services Office (ISO) standard form. It replaces the war exclusion in the underground storage tank policy, excluding bodily injury and property damage arising from war, warlike military action, or insurrection and rebellion, including when carried out by cyber means.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 01 26Jan 2026Latest | 62 | 47 | 42 | Jul 2025 to Oct 2026 |
What the filings show
- Edition in use: in the past 12 months, 47 companies filed the 01 26 edition.
- CG 00 70 (Exclusion – War) is filed alongside it most often, in 62 of the same filings (100%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 00 77, out of 13 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 41 | 41 | 01 26 | Apr 21, 2026 |
| Nationwide Corporation Group8 group companies filed it, led by Allied Insurance Company of America and Nationwide Assurance Company | 7 | 5 | 01 26 | Jun 11, 2026 |
| Liberty Mutual Group10 group companies filed it, led by American Fire and Casualty Company and Ohio Security Insurance Company | 3 | 3 | 01 26 | Oct 21, 2026 |
| Amtrust Financial Services Group7 group companies filed it, led by AmTrust Insurance Company of Kansas, Inc. and CorePointe Insurance Company | 2 | 2 | 01 26 | Mar 17, 2026 |
| BCBS OF MI GroupStar Insurance Company | 1 | 1 | 01 26 | Dec 2, 2025 |
| Chubb Limited Group8 group companies filed it, led by ACE American Insurance Company and ACE Fire Underwriters Insurance Company | 1 | 1 | 01 26 | Dec 23, 2025 |
| Everest Reins Holdings Group3 group companies filed it, led by Everest Denali Insurance Company and Everest National Insurance Company | 1 | 1 | 01 26 | Dec 19, 2025 |
| Fairfax Financial GroupSeneca Insurance Company, Inc. | 1 | 1 | 01 26 | Nov 24, 2025 |
| Hawaii Insurance Bureau, Inc. | 1 | 1 | 01 26 | Mar 5, 2026 |
| Intact Financial GroupAtlantic Specialty Insurance Company | 1 | 1 | 01 26 | Jun 17, 2026 |
How the largest insurers handle CG 00 77
Groups among the largest commercial general liability insurers that filed CG 00 77 or their own version in the past five years.
- Chubb Limited GroupUses CG 00 77 in 1 filing
- WR Berkley Corporation GroupFiles its own version: EGL1734 Exclusion - War (37 states)
See more forms
Search related forms, compare editions, and research carrier filings with FilingFocus.
States
Number of filings that include CG 00 77 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 00 70Exclusion – War62 filings
- CG 00 71Exclusion – War62 filings
- CG 00 73Exclusion – War62 filings
- CG 00 74Exclusion – War62 filings
- CG 00 75Exclusion – War62 filings
- CG 00 76Exclusion – War62 filings
- CG 00 78Exclusion – War62 filings
- CG 35 08Exclusion – Generative Artificial Intelligence62 filings
- CG 40 47Exclusion – Generative Artificial Intelligence62 filings
- CG 40 48Exclusion – Generative Artificial Intelligence (Coverage B Only)62 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Oct 21, 2026 | Employers Insurance Company of Wausauand 5 more | GA | 01 26 | LWCM-135126823 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 01 26 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 01 26 | BEAC-134983795 |
| Jun 11, 2026 | Allied Insurance Company of Americaand 6 more | KY | 01 26 | NWPP-G134906724 |
| Jun 11, 2026 | Nationwide Agribusiness Insurance Company | NM | 01 26 | NWPP-G134980253 |
| Jun 9, 2026 | Nationwide Agribusiness Insurance Company | CO | 01 26 | NWPP-G134980225 |
| Apr 21, 2026 | Insurance Services Office, Inc. | KY | 01 26 | ISOF-134917126 |
| Apr 14, 2026 | Allied Insurance Company of Americaand 5 more | WA | 01 26 | NWPP-G134906569 |
| Apr 14, 2026 | Allied Insurance Company of Americaand 5 more | NM | 01 26 | NWPP-G134906741 |
| Apr 10, 2026 | Allied Insurance Company of Americaand 5 more | CO | 01 26 | NWPP-G134906709 |
| Apr 10, 2026 | Allied Insurance Company of Americaand 6 more | IL | 01 26 | NWPP-G134906720 |
| Mar 17, 2026 | AmTrust Insurance Company of Kansas, Inc.and 6 more | OR | 01 26 | UNKP-G134864167 |
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.