Coverage description
An Insurance Services Office (ISO) standard form. It excludes umbrella liability for bodily injury, property damage and personal and advertising injury arising from electronic smoking devices, their parts and accessories, and exposure to their vapor, including their design, manufacture, sale or use.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 19Dec 2019Latest | 55 | 28 | 21 | May 2022 to Aug 2026 |
What the filings show
- Edition in use: in the past 12 months, 14 companies filed the 12 19 edition.
- CU 24 03 (Waiver Of Transfer Of Rights Of Recovery Against Others To Us (Waiver Of Subrogation)) is filed alongside it most often, in 55 of the same filings (100%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 CU 34 20, out of 20 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Grinnell Mutual GroupGrinnell Mutual Reinsurance Company | 9 | 9 | 12 19 | Mar 22, 2023 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company | 7 | 3 | 12 19 | Aug 11, 2026 |
| Grange Mutual CAS GroupGrange Insurance Company | 6 | 6 | 12 19 | Mar 26, 2024 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 12 19 | Jun 26, 2026 |
| Nationwide Corporation Group2 group companies filed it, led by Crestbrook Insurance Company and Nationwide Agribusiness Insurance Company | 5 | 1 | 12 19 | Jun 30, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 12 19 | Jun 15, 2026 |
| Berkshire Hathaway Group2 group companies filed it, led by The Medical Protective Company and Wellfleet Insurance Company | 2 | 2 | 12 19 | Jun 30, 2026 |
| Liberty Mutual GroupState Automobile Mutual Insurance Company | 2 | 2 | 12 19 | Mar 10, 2023 |
| Mountain West Farm GroupMountain West Farm Bureau Mutual Insurance Company | 2 | 2 | 12 19 | Oct 16, 2023 |
| 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 | 12 19 | Jan 5, 2026 |
How the largest insurers handle CU 34 20
Groups among the largest commercial umbrella and excess insurers that filed CU 34 20 or their own version in the past five years.
- Berkshire Hathaway GroupUses CU 34 20 in 1 filing
- Fairfax Financial GroupUses CU 34 20 in 1 filing
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States
Number of filings that include CU 34 20 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.
- CU 24 03Waiver Of Transfer Of Rights Of Recovery Against Others To Us (Waiver Of Subrogation)55 filings
- CU 21 08Exclusion - Intercompany Products Suits54 filings
- CU 22 18Optical And Hearing Aid Establishments54 filings
- CU 21 01Exclusion - Athletic or Sports Participants53 filings
- CU 22 21Colleges or Schools53 filings
- CU 22 63Pharmacists - Broadened Coverage53 filings
- CU 22 20Pharmacists52 filings
- CU 34 23Cannabis Exclusion With Hemp Exception52 filings
- CU 21 17Exclusion - Designated Operations Covered By A Controlled (Wrap-Up) Insurance Program51 filings
- CU 24 19Lessor - Additional Insured And Loss Payee51 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Aug 11, 2026 | Philadelphia Indemnity Insurance Company | SC | 12 19 | PHLX-135041545 |
| Jul 2, 2026 | Zenith Insurance Company | CA | 12 19 | ZICO-134998423 |
| Jun 30, 2026 | The Medical Protective Companyand 1 more | IL | 12 19 | MDPC-135002488 |
| Jun 30, 2026 | Crestbrook Insurance Companyand 1 more | CO | 12 19 | NWPP-135003098 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 12 19 | CHMU-134995025 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 12 19 | UNFG-134979875 |
| Jun 15, 2026 | Sompo America Insurance Company | CO | 12 19 | SMPJ-134971280 |
| Jun 2, 2026 | Philadelphia Indemnity Insurance Company | IL | 12 19 | PHLX-134967828 |
| Feb 17, 2026 | Safety National Casualty Corporation | CO | 12 19 | SFCC-134815068 |
| Jan 7, 2026 | Merchants Mutual Insurance Company | MA | 12 19 | MERC-134789495 |
| Jan 5, 2026 | Mississippi Farm Bureau Casualty Insurance Company | MS | 12 19 | SFBC-134775309 |
| Nov 22, 2025 | The Medical Protective Companyand 1 more | WA | 12 19 | 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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