Coverage description
An Insurance Services Office (ISO) standard form. It removes the fellow employee limitation in who is an insured, for auto coverage, for the employees, job titles or positions named in the schedule.
How the form has changed
The 09 18 edition updates the schedule layout and the form date. The coverage wording is the same.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 09 18Sep 2018Latest | 49 | 32 | 18 | Apr 2022 to Oct 2026 |
| 09 00Sep 2000 | 10 | 7 | 4 | Jun 2022 to Jun 2026 |
What the filings show
- Edition in use: in the past 12 months, 14 companies filed the 09 18 edition and 2 companies filed 09 00.
- CU 24 19 (Lessor - Additional Insured And Loss Payee) is filed alongside it most often, in 56 of the same filings (95%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 CU 24 15, out of 21 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Grinnell Mutual GroupGrinnell Mutual Reinsurance Company | 9 | 9 | 09 18 | Mar 22, 2023 |
| Nationwide Corporation Group3 group companies filed it, led by Nationwide Agribusiness Insurance Company and Crestbrook Insurance Company | 7 | 2 | 09 00 | Jun 30, 2026 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company | 7 | 3 | 09 18 | Aug 11, 2026 |
| Grange Mutual CAS GroupGrange Insurance Company | 6 | 6 | 09 18 | Mar 26, 2024 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 09 18 | Jun 26, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 09 18 | Jun 15, 2026 |
| Amtrust Financial Services Group7 group companies filed it, led by Security National Insurance Company and Technology Insurance Company, Inc. | 3 | 2 | 09 18 | Oct 15, 2026 |
| Berkshire Hathaway Group2 group companies filed it, led by The Medical Protective Company and Wellfleet Insurance Company | 2 | 2 | 09 18 | Jun 30, 2026 |
| Encova Mutual Insurance Group3 group companies filed it, led by Motorists Mutual Insurance Company and Wilson Mutual Insurance Company | 2 | 2 | 09 00 | Jun 25, 2024 |
| Southern Farm Bureau CAS Group2 group companies filed it, led by Mississippi Farm Bureau Casualty Insurance Company and Southern Farm Bureau Casualty Insurance Company | 2 | 2 | 09 18 | Jan 5, 2026 |
How the largest insurers handle CU 24 15
Groups among the largest commercial umbrella and excess insurers that filed CU 24 15 or their own version in the past five years.
- Chubb Limited GroupUses CU 24 15 in 1 filing
- Berkshire Hathaway GroupUses CU 24 15 in 1 filing
- Fairfax Financial GroupUses CU 24 15 in 1 filing
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States
Number of filings that include CU 24 15 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.
- CU 24 19Lessor - Additional Insured And Loss Payee56 filings
- CU 21 01Exclusion - Athletic Or Sports Participants55 filings
- CU 21 08Exclusion - Intercompany Products Suits55 filings
- CU 21 17Exclusion - Designated Operations Covered By A Consolidated (Wrap-Up) Insurance Program55 filings
- CU 22 18Optical And Hearing Aid Establishments55 filings
- CU 22 21Colleges or Schools55 filings
- CU 24 03Waiver Of Transfer Of Rights Of Recovery Against Others To Us (Waiver Of Subrogation)55 filings
- CU 24 18Repossessed Autos55 filings
- CU 22 29Leasing Or Rental Concerns - Schedule Of Limits For Owned Autos53 filings
- CU 24 16Auto Dealers Broad Form Products Coverage53 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Oct 15, 2026 | Security National Insurance Companyand 2 more | CA | 09 18 | UNKP-135059588 |
| Aug 11, 2026 | Philadelphia Indemnity Insurance Company | SC | 09 18 | PHLX-135041545 |
| Jul 2, 2026 | Zenith Insurance Company | CA | 09 18 | ZICO-134998423 |
| Jun 30, 2026 | The Medical Protective Companyand 1 more | IL | 09 18 | MDPC-135002488 |
| Jun 30, 2026 | Crestbrook Insurance Companyand 1 more | CO | 09 00 | NWPP-135003098 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 09 18 | CHMU-134995025 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 09 18 | UNFG-134979875 |
| Jun 15, 2026 | Sompo America Insurance Company | CO | 09 18 | SMPJ-134971280 |
| Jun 2, 2026 | Philadelphia Indemnity Insurance Company | IL | 09 18 | PHLX-134967828 |
| Feb 17, 2026 | Safety National Casualty Corporation | CO | 09 18 | SFCC-134815068 |
| Jan 5, 2026 | Mississippi Farm Bureau Casualty Insurance Company | MS | 09 18 | SFBC-134775309 |
| Nov 22, 2025 | The Medical Protective Companyand 1 more | WA | 09 18 | MDPC-134692417 |
Most filed ISO CU forms
- CU 34 54 Exclusion - Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
- CU 21 86 Exclusion – Access Or Disclosure Of Confidential Or Personal Material Or Information
- CU 00 05 Exclusion - Violation of Law Addressing Data Privacy
- CU 34 56 Exclusion – Cyber Incident
- CU DS 01 Commercial Liability Umbrella Declarations
- CU 21 88 Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information (Coverage B Only)
- CU 34 44 Broad Abuse or Molestation Exclusion
- CU 34 55 Exclusion - Electronic Data - Deletion Of Bodily Injury Exception
- CU 22 37 Motor Carrier Endorsement
- CU 21 87 Exclusion - Access Or Disclosure Of Confidential Or Personal Information and Data-Related Liability - Limited Bodily Injury Exception Not Included
- CU 04 02 Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion
- CU 04 54 Loss of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion - Deletion Of Bodily Injury Exception
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