Coverage description
An Insurance Services Office (ISO) standard form. It excludes injury or damage from certified acts of terrorism involving nuclear, biological, chemical or radiological materials, and caps the insurer's liability for certified terrorism losses once federal program losses exceed $100 billion in a calendar year.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 01 15Jan 2015Latest | 117 | 78 | 23 | Jan 2022 to Oct 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 01 08.
What the filings show
- Edition in use: in the past 12 months, 38 companies filed the 01 15 edition.
- CG 21 73 (Exclusion of Certified Acts of Terrorism) is filed alongside it most often, in 115 of the same filings (97%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 84, out of 37 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| WCF Mutual Insurance Company GroupAssociated Indemnity Corporation | 16 | 16 | 01 15 | Jan 15, 2026 |
| WR Berkley Corporation Group14 group companies filed it, led by Acadia Insurance Company and Continental Western Insurance Company | 11 | 2 | 01 15 | Jun 19, 2026 |
| Markel Corporation GroupState National Insurance Company, Inc. | 8 | 4 | 01 1501 08 | Oct 22, 2026 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 7 | 4 | 01 15 | Dec 8, 2025 |
| Nationwide Corporation Group7 group companies filed it, led by Allied Insurance Company of America and National Casualty Company | 7 | 4 | 01 15 | Jul 21, 2025 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 7 | 3 | 01 15 | Jun 15, 2026 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 01 15 | Jun 26, 2026 |
| OLD Republic Group2 group companies filed it, led by BITCO General Insurance Corporation and BITCO National Insurance Company | 5 | 1 | 01 15 | May 11, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 01 15 | Jun 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 5 | 1 | 01 15 | Feb 17, 2026 |
How the largest insurers handle CG 21 84
Groups among the largest commercial general liability insurers that filed CG 21 84 or their own version in the past five years.
- WR Berkley Corporation GroupUses CG 21 84 in 1 filing
- Fairfax Financial GroupUses CG 21 84 in 2 filings
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States
Number of filings that include CG 21 84 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 73Exclusion of Certified Acts of Terrorism115 filings
- CG 21 76Exclusion of Punitive Damages Related to a Certified Act of Terrorism115 filings
- CG 21 70Cap on Losses From Certified Acts of Terrorism110 filings
- CG 21 89Conditional Limitation of Coverage for Terrorism on an Annual Aggregate Basis (Relating to Disposition of Federal Terrorism Risk Insurance Act)104 filings
- CG 04 35Employee Benefits Liability Coverage101 filings
- CG 21 71Exclusion of Other Acts of Terrorism Committed Outside the United States; Cap on Losses From Certified Acts of Terrorism101 filings
- CG 21 88Conditional Exclusion of Terrorism Involving Nuclear, Biological or Chemical Terrorism (Relating to Disposition of Federal Terrorism Risk Insurance Act)101 filings
- IL 00 21Nuclear Energy Liability Exclusion Endorsement (Broad Form)101 filings
- CG 21 87Conditional Exclusion of Terrorism (Relating to Disposition of Federal Terrorism Risk Insurance Act)100 filings
- CG 21 75Exclusion of Certified Acts of Terrorism and Exclusion of Other Acts of Terrorism Committed Outside the United States99 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 15 | STNA-135128706 |
| Oct 6, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CA | 01 15 | CNAB-135091690 |
| Aug 20, 2026 | New York Marine and General Insurance Company | SC | 01 15 | PERR-135060921 |
| Aug 17, 2026 | Mississippi Farm Bureau Casualty Insurance Company | MS | 01 15 | SFBC-135017175 |
| Jul 10, 2026 | Southern Farm Bureau Casualty Insurance Company | LA | 01 15 | SFBC-135013358 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 01 15 | CHMU-134947220 |
| Jun 19, 2026 | Acadia Insurance Companyand 4 more | CO | 01 15 | BNIC-134992811 |
| Jun 19, 2026 | Berkley Casualty Companyand 8 more | CO | 01 15 | BNIC-134992815 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 01 15 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 01 15 | BEAC-134983795 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 01 15 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 01 15 | MRTN-134978902 |
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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