Coverage description
An Insurance Services Office (ISO) standard form. It broadens the definition of insured contract for operations for or affecting a scheduled railroad at a designated job site, so contracts and easements with the railroad are treated as insured contracts, with exceptions for architects, engineers and surveyors.
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.
12 25 edition
Dec 2025, compared with 10 01Latest editionA contract where you assume another party's tort liability now counts as an insured contract only to the extent the law permits that assumption.
10 01
Not in this edition
12 25
“shall only be considered an "insured contract" to the extent your assumption of the tort liability is permitted by law”
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 | 46 | 15 | 38 | Jul 2024 to Jun 2026 |
| 10 01Oct 2001 | 118 | 67 | 22 | Nov 2021 to Oct 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 01 96.
Where filings record what this form replaced, they name earlier edition 10 01. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 20 companies filed the 10 01 edition and 9 companies filed 12 25.
- The newer 12 25 edition first appears Jul 12, 2024 and has been filed by 15 companies in 38 states so far.
- CG 22 68 (Operation of Customers Autos on Particular Premises) is filed alongside it most often, in 152 of the same filings (93%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 24 17, out of 46 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 37 | 37 | 12 25 | Apr 9, 2025 |
| WCF Mutual Insurance Company GroupAssociated Indemnity Corporation | 16 | 16 | 10 01 | Jan 15, 2026 |
| Nationwide Corporation Group8 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company | 10 | 3 | 10 01 | Feb 12, 2025 |
| Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company | 8 | 4 | 10 01 | Oct 22, 2026 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 8 | 3 | 10 0112 25 | Jun 15, 2026 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 5 | 2 | 10 01 | Dec 8, 2025 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 10 01 | Jun 26, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 10 01 | Jun 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 5 | 1 | 10 01 | Feb 17, 2026 |
| AU Holding Company Group2 group companies filed it, led by Continental Indemnity Company and Pennsylvania Insurance Company | 4 | 4 | 10 01 | May 3, 2024 |
How the largest insurers handle CG 24 17
Groups among the largest commercial general liability insurers that filed CG 24 17 or their own version in the past five years.
- Chubb Limited GroupFiles its own version: CB CG 240004 Contractual Liability - Railroads (4 states)
- Travelers GroupUses CG 24 17 in 2 filings
- WR Berkley Corporation GroupUses CG 24 17 in 1 filing
- Fairfax Financial GroupUses CG 24 17 in 2 filings
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States
Number of filings that include CG 24 17 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 68Operation of Customers Autos on Particular Premises152 filings
- CG 22 29Exclusion - Property Entrusted150 filings
- CG 21 86Exclusion - Exterior Insulation and Finish Systems146 filings
- CG 22 56Exclusion - Injury to Volunteer Firefighters146 filings
- CG 22 76Professional Liability Exclusion - Health or Exercise Clubs or Commercially Operated Health or Exercise Facilities145 filings
- CG 22 74Limited Contractual Liability Coverage for Personal and Advertising Injury144 filings
- CG 22 87Exclusion - Adult Day Care Centers144 filings
- CG 22 88Professional Liability Exclusion - Electronic Data Processing Services and Computer Consulting or Programming Services144 filings
- CG 20 22Additional Insured - Church Members and Officers143 filings
- CG 04 35Employee Benefits Liability Coverage142 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 | 10 01 | STNA-135128706 |
| Oct 6, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CA | 10 01 | CNAB-135091690 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 10 01 | CHMU-134947220 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 10 01 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 12 2510 01 | BEAC-134983795 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 10 01 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 10 01 | MRTN-134978902 |
| Jun 2, 2026 | Zenith Insurance Company | CA | 10 01 | ZICO-134965759 |
| Jun 1, 2026 | CopperPoint Casualty Insurance Companyand 1 more | SC | 10 01 | COPP-134966665 |
| May 19, 2026 | Employers Insurance Company of Wausauand 5 more | KY | 12 25 | LWCM-134952492 |
| May 15, 2026 | Employers Insurance Company of Wausauand 5 more | NM | 12 25 | LWCM-134951490 |
| May 14, 2026 | Employers Insurance Company of Wausauand 5 more | CO | 12 25 | LWCM-134945757 |
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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