Coverage description
An Insurance Services Office (ISO) standard form. It is the standard occurrence-based commercial general liability form, covering bodily injury and property damage liability (Coverage A), personal and advertising injury liability (Coverage B) and medical payments (Coverage C). It also sets out supplementary payments, who is an insured, limits of insurance, conditions and definitions.
How the form has changed
8 changes across 2 revisions, newest first. Each edition is compared with the one before it, using wording from filed copies.
12 25 edition
Dec 2025, compared with 04 13Latest editionAdds an exclusion under Coverages A and B for violations of data privacy laws, such as the Illinois Biometric Information Privacy Act and the California Consumer Privacy Act.
04 13
Not in this edition
12 25
“The Illinois Biometric Information Privacy Act (BIPA)”
Adds exclusions under Coverages A and B for cyber incidents and for access to or disclosure of confidential or personal information.
04 13
Not in this edition
12 25
“arising out of a "cyber incident"”
Adds an employment-related practices exclusion under Coverages A and B, such as refusal to employ, termination, harassment or discrimination.
04 13
Not in this edition
12 25
“Refusal to employ that person”
Part of a contract counts as an insured contract only to the extent your assumption of the tort liability is permitted by law.
04 13
Not in this edition
12 25
“to the extent your assumption of the tort liability is permitted by law”
04 13 edition
Apr 2013, compared with 12 04Adds an exclusion under Coverages A and B for violations of the TCPA, CAN-SPAM Act, Fair Credit Reporting Act and similar laws on recording and distributing material or information.
12 04
Not in this edition
04 13
“The Fair Credit Reporting Act (FCRA)”
The electronic data exclusion no longer applies to liability for bodily injury.
12 04
Not in this edition
04 13
“However, this exclusion does not apply to liability for damages because of "bodily injury".”
Letting people bring alcoholic beverages onto your premises does not by itself put you in the liquor business for the liquor liability exclusion.
12 04
Not in this edition
04 13
“is not by itself considered the business of selling, serving or furnishing alcoholic beverages”
This insurance is excess over other primary insurance on which you are an additional insured, whether or not that status comes from an endorsement.
12 04
“for which you have been added as an additional insured by attachment of an endorsement”
04 13
Removed
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 25Dec 2025Latest | 74 | 20 | 40 | Jul 2024 to Aug 2026 |
| 04 13Apr 2013 | 277 | 112 | 46 | Nov 2021 to Oct 2026 |
| 12 04Dec 2004 | 3 | 2 | 3 | Jun 2022 to Nov 2023 |
| 10 01Oct 2001 | 4 | 2 | 4 | Aug 2022 to Mar 2024 |
3 other edition dates appear in one or two filings each, often carrier-specific versions: 10 13, 12 07, 01 96.
Where filings record what this form replaced, they name earlier edition 04 13 and other forms GL 2000. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 24 companies filed the 04 13 edition and 14 companies filed 12 25.
- The newer 12 25 edition first appears Jul 12, 2024 and has been filed by 20 companies in 40 states so far.
- CG 21 47 (Employment- Related Practices Exclusion) is filed alongside it most often, in 290 of the same filings (80%).
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 01, out of 69 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 37 | 37 | 12 25 | Apr 9, 2025 |
| Clear Blue Financial GroupClear Blue Insurance Company | 36 | 34 | 04 13 | Feb 11, 2026 |
| OBS Holdings Group2 group companies filed it, led by Obsidian Insurance Company and Obsidian Pacific Insurance Company | 36 | 36 | 04 13 | Feb 3, 2023 |
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 34 | 24 | 04 1312 25 | Aug 26, 2026 |
| Berkshire Hathaway Group5 group companies filed it, led by Berkshire Hathaway Homestate Insurance Company and National Liability and Fire Insurance Company | 25 | 19 | 04 1312 25 | May 1, 2026 |
| Markel Corporation Group4 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company | 16 | 5 | 04 1312 07 | Jul 2, 2026 |
| WCF Mutual Insurance Company GroupAssociated Indemnity Corporation | 16 | 16 | 04 13 | Jan 15, 2026 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 13 | 4 | 04 13 | Dec 8, 2025 |
| Nationwide Corporation Group8 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company | 11 | 4 | 04 13 | Jul 21, 2025 |
| Trisura GroupTrisura Insurance Company | 10 | 6 | 04 1310 13 | Jul 21, 2026 |
How the largest insurers handle CG 00 01
Groups among the largest commercial general liability insurers that filed CG 00 01 or their own version in the past five years.
- Chubb Limited GroupFiles its own version: CB CG 000001 Commercial General Liability Coverage Form (4 states)
- Berkshire Hathaway GroupUses CG 00 01 in 14 filings
- WR Berkley Corporation GroupUses CG 00 01 in 1 filing
- Fairfax Financial GroupUses CG 00 01 in 2 filings
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States
Number of filings that include CG 00 01 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 Exclusion290 filings
- CG 21 06Exclusion – Access or Disclosure of Confidential or Personal Information and Data-Related Liability – with Limited Bodily Injury Exception273 filings
- CG 04 35Employee Benefits Liability Coverage230 filings
- CG 20 26Additional Insured – Designated Person or Organization220 filings
- IL 00 21Nuclear Energy Liability Exclusion Endorsement218 filings
- CG 20 11Additional Insured – Managers or Lessors of Premises215 filings
- CG 22 74Limited Contractual Liability Coverage for Personal and Advertising Injury203 filings
- CG 20 28Additional Insured – Lessor of Leased Equipment201 filings
- CG 20 10Additional Insured – Owners, Lessees or Contractors – Scheduled Person or Organization196 filings
- CG 20 18Additional Insured – Mortgagee, Assignee or Receiver194 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 | 04 13 | SPRO-G134931114 |
| Aug 26, 2026 | The Cincinnati Casualty Companyand 2 more | NV | 12 25 | CNNA-134980601 |
| Aug 26, 2026 | The Cincinnati Casualty Companyand 2 more | ID | 12 25 | CNNA-134992231 |
| Aug 20, 2026 | New York Marine and General Insurance Company | SC | 04 13 | PERR-135060921 |
| Aug 17, 2026 | Mississippi Farm Bureau Casualty Insurance Company | MS | 04 13 | SFBC-135017175 |
| Aug 6, 2026 | The Guarantee Company of North America USA | SC | 04 13 | SPRO-G134890089 |
| Jul 21, 2026 | Trisura Insurance Company | MA | 04 13 | SHNF-134993858 |
| Jul 10, 2026 | Southern Farm Bureau Casualty Insurance Company | LA | 04 13 | SFBC-135013358 |
| Jul 10, 2026 | Trisura Insurance Company | WA | 04 13 | SHNF-134976660 |
| Jul 2, 2026 | State National Insurance Company, Inc. | CO | 04 13 | STNA-135002472 |
| Jun 30, 2026 | Trisura Insurance Company | IL | 10 13 | SHNF-134983369 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 04 13 | 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 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
- CG 21 44 Limitation Of Coverage To Designated Premises, Project Or Operation
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