Coverage description
An Insurance Services Office (ISO) standard form. It excludes bodily injury, property damage and personal and advertising injury arising from professional engineering, architectural or surveying services you provide to others or in connection with your construction work, while keeping coverage for your construction means and methods.
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 also applies to claims alleging negligent supervision, hiring, employment, training or monitoring of others when the injury involved the excluded professional services.
07 98
Not in this edition
04 13
“This exclusion applies even if the claims against any insured allege negligence or other wrongdoing in the supervision”
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 | 75 | 44 | Dec 2021 to Oct 2026 |
| 07 98Jul 1998 | 7 | 5 | 6 | Aug 2022 to Mar 2024 |
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, 21 companies filed the 04 13 edition.
- CG 22 43 (Exclusion - Engineers, Architects or Surveyors Professional Liability) is filed alongside it most often, in 134 of the same filings (71%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 79, out of 45 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Hiscox Insurance GroupHiscox Insurance Company Inc. | 46 | 43 | 04 13 | Jun 24, 2025 |
| WCF Mutual Insurance Company GroupAssociated Indemnity Corporation | 16 | 16 | 04 13 | Jan 15, 2026 |
| Markel Corporation Group3 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company | 12 | 5 | 04 1307 98 | Oct 22, 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 | 11 | 4 | 04 13 | Jul 21, 2025 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 7 | 3 | 04 13 | Jun 15, 2026 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 6 | 2 | 04 13 | Dec 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 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 5 | 1 | 04 13 | Feb 17, 2026 |
How the largest insurers handle CG 22 79
Groups among the largest commercial general liability insurers that filed CG 22 79 or their own version in the past five years.
- Berkshire Hathaway GroupUses CG 22 79 in 11 filings
- Fairfax Financial GroupUses CG 22 79 in 1 filing
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States
Number of filings that include CG 22 79 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 43Exclusion - Engineers, Architects or Surveyors Professional Liability134 filings
- CG 22 34Exclusion - Construction Management Errors and Omissions133 filings
- CG 22 75Professional Liability Exclusion - Computer Software133 filings
- CG 22 76Professional Liability Exclusion - Health or Exercise Clubs or Commercially Operated Health or Exercise Facilities132 filings
- CG 21 57Exclusion - Counseling Services130 filings
- CG 21 59Exclusion - Diagnostic Testing Laboratories130 filings
- CG 22 33Exclusion - Testing or Consulting Errors and Omissions130 filings
- CG 22 44Exclusion - Services Furnished by Health Care Providers130 filings
- CG 22 88Professional Liability Exclusion - Electronic Data Processing Services and Computer Consulting or Programming Services130 filings
- CG 22 90Professional Liability Exclusion - Spas or Personal Enhancement Facilities130 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 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 1, 2026 | CopperPoint Casualty Insurance Companyand 1 more | SC | 04 13 | COPP-134966665 |
| Mar 20, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CO | 04 13 | CNAB-134872676 |
| Feb 24, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | SC | 04 13 | CNAB-134851008 |
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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