Coverage description
An Insurance Services Office (ISO) standard form. It provides an extended reporting period for electronic data liability coverage, treating claims made within three years after the policy ends as made on its last day, if the data loss happened during the policy period and the added premium is paid.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 04Dec 2004Latest | 80 | 47 | 10 | Jan 2022 to Oct 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 01 03.
What the filings show
- Edition in use: in the past 12 months, 17 companies filed the 12 04 edition.
- CG 00 34 (Liquor Liability Coverage Form) is filed alongside it most often, in 78 of the same filings (98%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 31 73, out of 27 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Markel Corporation GroupState National Insurance Company, Inc. | 10 | 3 | 12 04 | Oct 22, 2026 |
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 7 | 3 | 12 04 | Jun 26, 2026 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 7 | 3 | 12 04 | Jun 15, 2026 |
| Nationwide Corporation Group7 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company | 6 | 3 | 12 04 | Feb 12, 2025 |
| Liberty Mutual GroupState Automobile Mutual Insurance Company | 5 | 1 | 12 04 | Jun 17, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 12 04 | Jun 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 5 | 1 | 12 04 | Feb 17, 2026 |
| Country Insurance & Financial Services GroupCOUNTRY Mutual Insurance Company | 4 | 1 | 12 04 | Jun 11, 2025 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 3 | 2 | 12 04 | Dec 8, 2025 |
| American Financial Group5 group companies filed it, led by Great American Alliance Insurance Company and Great American Assurance Company | 3 | 1 | 12 0401 03 | Jun 24, 2026 |
How the largest insurers handle CG 31 73
Groups among the largest commercial general liability insurers that filed CG 31 73 or their own version in the past five years.
- Fairfax Financial GroupUses CG 31 73 in 1 filing
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States
Number of filings that include CG 31 73 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 00 34Liquor Liability Coverage Form78 filings
- CG 00 38Products/Complete D Operations Liability Coverage Form78 filings
- CG 27 10Supplemental Extended Reporting Period Endorsement78 filings
- CG 00 02Commercial General Liability Coverage Form77 filings
- CG 00 65Electronic Data Liability Coverage Form77 filings
- CG 27 11Supplemental Extended Reporting Period Endorsement for Specific Accidents, Products, Work or Locations77 filings
- CG 28 03Supplemental Extended Reporting Period Endorsement (for Use with Liquor Claims-Made Policies)76 filings
- CG 28 34Supplemental Extended Reporting Period Endorsement (for Use with Products Claims- Made Policy)76 filings
- CG 28 35Supplemental Extended Reporting Period Endorsement for Specific Accidents, Products, Work or Locations (for Use with Products Claims-Made Policies)76 filings
- CG 00 39Pollution Liability Coverage Form Designated Sites75 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 | 12 04 | STNA-135128706 |
| Jul 2, 2026 | State National Insurance Company, Inc. | CO | 12 04 | STNA-135002472 |
| Jun 26, 2026 | The Cincinnati Casualty Companyand 2 more | CO | 12 04 | CNNA-134975473 |
| Jun 24, 2026 | Great American Alliance Insurance Companyand 4 more | CO | 12 0401 03 | GACX-134989729 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 12 04 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 12 04 | BEAC-134983795 |
| Jun 17, 2026 | State Automobile Mutual Insurance Company | CO | 12 04 | STAT-134984678 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 12 04 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 12 04 | MRTN-134978902 |
| Feb 17, 2026 | Safety National Casualty Corporation | CO | 12 04 | SFCC-134814522 |
| Feb 6, 2026 | Crum and Forster Indemnity Company | CA | 12 04 | CRUM-134831877 |
| Dec 9, 2025 | Universal North America Insurance Company | SC | 12 04 | UNAC-134760136 |
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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