Coverage description
An Insurance Services Office (ISO) standard form. It makes your general liability coverage excess over any other insurance under which you have been added as an additional insured, for both premises and operations and products and completed operations.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 23Dec 2023Latest | 116 | 72 | 49 | Feb 2023 to Aug 2026 |
3 other edition dates appear in one or two filings each, often carrier-specific versions: 12 26, 09 24, 12 19.
What the filings show
- Edition in use: in the past 12 months, 16 companies filed the 12 23 edition.
- CG 21 06 (Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information) is filed alongside it most often, in 112 of the same filings (93%).
Filed under
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 24 56, out of 25 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 43 | 43 | 12 23 | Nov 3, 2023 |
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 17 | 17 | 12 23 | Aug 26, 2026 |
| Nationwide Corporation Group10 group companies filed it, led by Nationwide Agribusiness Insurance Company and Nationwide General Insurance Company | 13 | 11 | 12 2312 19 | Aug 28, 2024 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 5 | 1 | 12 23 | Jun 15, 2026 |
| Southern Trust Insurance Company | 5 | 3 | 12 23 | Jun 24, 2026 |
| CNA Insurance Group6 group companies filed it, led by American Casualty Company of Reading, Pennsylvania and Continental Casualty Company | 4 | 2 | 12 23 | Jun 30, 2026 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 3 | 2 | 12 23 | Jun 26, 2026 |
| Sompo GroupSompo America Insurance Company | 3 | 1 | 12 23 | Jun 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 3 | 1 | 12 23 | Feb 17, 2026 |
| American International Group10 group companies filed it, led by AIG Assurance Company and AIG Property Casualty Company | 2 | 1 | 12 23 | Feb 7, 2024 |
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States
Number of filings that include CG 24 56 in each state, Oct 2021 to Aug 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CG 21 06Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information112 filings
- CG 04 37Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion111 filings
- CG 21 85Exclusion - Electronic Data - Deletion Of Bodily Injury Exception110 filings
- CG 21 08Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information (Coverage B Only)108 filings
- CG 34 98Exclusion - Electronic Data - Deletion Of Bodily Injury Exception108 filings
- CG 33 63Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information98 filings
- CG 33 53Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information95 filings
- CG 40 35Exclusion - Cyber Incident95 filings
- CG 00 69Exclusion - Violation Of Law Addressing Data Privacy93 filings
- CG 34 97Exclusion - Cyber Incident92 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Aug 26, 2026 | The Cincinnati Casualty Companyand 2 more | NV | 12 23 | CNNA-134980601 |
| Aug 26, 2026 | The Cincinnati Casualty Companyand 2 more | ID | 12 23 | CNNA-134992231 |
| Jun 30, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CO | 12 23 | CNAB-135005337 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 12 23 | CHMU-134947220 |
| Jun 24, 2026 | Southern Trust Insurance Company | GA | 12 23 | STTR-134864949 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 12 23 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 12 23 | BEAC-134983795 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 12 23 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 12 23 | MRTN-134978902 |
| Jun 4, 2026 | The Cincinnati Casualty Companyand 2 more | RI | 12 23 | CNNA-134875418 |
| May 20, 2026 | The Cincinnati Casualty Companyand 2 more | MD | 12 23 | CNNA-134879009 |
| May 13, 2026 | The Cincinnati Casualty Companyand 2 more | VA | 12 23 | CNNA-134896780 |
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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