Coverage description
An Insurance Services Office (ISO) standard form. It excludes general liability for injury or damage arising from errors in advice or evaluations about telecommunication equipment or services, from inspection, supervision or network set-up work you do as a telecommunication provider, and from failure to adequately provide telecommunication services.
How the form has changed
1 change across 1 revision, newest first. Each edition is compared with the one before it, using wording from filed copies.
04 13 edition
Apr 2013, compared with 07 98Latest editionThe exclusion now applies even if claims allege negligent supervision, hiring, employment, training or monitoring of others by the insured.
07 98
Not in this edition
04 13
“allege negligence or other wrongdoing in the supervision, hiring, employment, training or monitoring of others by that insured”
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 04 13Apr 2013Latest | 180 | 73 | 43 | Dec 2021 to Oct 2026 |
| 07 98Jul 1998 | 7 | 4 | 6 | Aug 2022 to Mar 2024 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 09 97.
Where filings record what this form replaced, they name other forms GL 2160. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 23 companies filed the 04 13 edition.
- CG 22 75 (Professional Liability Exclusion - Computer Software) is filed alongside it most often, in 185 of the same filings (99%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 22 91, out of 45 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 36 | 36 | 04 13 | Apr 9, 2025 |
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 19 | 17 | 04 13 | Aug 26, 2026 |
| WCF Mutual Insurance Company GroupAssociated Indemnity Corporation | 16 | 16 | 04 13 | Jan 15, 2026 |
| Berkshire Hathaway Group2 group companies filed it, led by Berkshire Hathaway Homestate Insurance Company and Redwood Fire and Casualty Insurance Company | 11 | 11 | 04 1307 98 | Jan 9, 2023 |
| Nationwide Corporation Group8 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company | 10 | 3 | 04 13 | Feb 12, 2025 |
| Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company | 9 | 4 | 04 1307 98 | Oct 22, 2026 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 7 | 3 | 04 13 | Jun 15, 2026 |
| Starr Group2 group companies filed it, led by Starr Indemnity and Liability Company and Starr Specialty Insurance Company | 6 | 4 | 04 13 | Sep 8, 2025 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 04 13 | Jun 26, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 04 13 | Jun 18, 2026 |
How the largest insurers handle CG 22 91
Groups among the largest commercial general liability insurers that filed CG 22 91 or their own version in the past five years.
- Berkshire Hathaway GroupUses CG 22 91 in 10 filings
- Fairfax Financial GroupUses CG 22 91 in 1 filing
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States
Number of filings that include CG 22 91 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 22 75Professional Liability Exclusion - Computer Software185 filings
- CG 22 76Professional Liability Exclusion - Health or Exercise Clubs or Commercially Operated Health or Exercise Facilities182 filings
- CG 22 87Exclusion - Adult Day Care Centers181 filings
- CG 22 88Professional Liability Exclusion - Electronic Data Processing Services and Computer Consulting or Programming Services180 filings
- CG 22 77Professional Liability Exclusion - Computer Data Processing176 filings
- CG 22 40Exclusion - Medical Payments - Day Care Centers171 filings
- CG 21 66Exclusion - Volunteer Workers as Insureds169 filings
- CG 22 98Exclusion - Internet Service Providers and Internet Access Providers Errors and Omissions168 filings
- CG 22 52Exclusion - Medical Payments Coverage (Inmates, Patients or Prisoners)167 filings
- CG 22 56Exclusion - Injury to Volunteer Firefighters166 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 | 04 13 | STNA-135128706 |
| Oct 6, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CA | 04 13 | CNAB-135091690 |
| Aug 26, 2026 | The Cincinnati Casualty Companyand 2 more | NV | 04 13 | CNNA-134980601 |
| Aug 26, 2026 | The Cincinnati Casualty Companyand 2 more | ID | 04 13 | CNNA-134992231 |
| Aug 17, 2026 | Mississippi Farm Bureau Casualty Insurance Company | MS | 04 13 | SFBC-135017175 |
| Jul 10, 2026 | Southern Farm Bureau Casualty Insurance Company | LA | 04 13 | SFBC-135013358 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 04 13 | CHMU-134947220 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 04 13 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 04 13 | BEAC-134983795 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 04 13 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 04 13 | MRTN-134978902 |
| Jun 4, 2026 | The Cincinnati Casualty Companyand 2 more | RI | 04 13 | CNNA-134875418 |
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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