Coverage description
An Insurance Services Office (ISO) standard form. It waives the insurer's right to recover from any person or organization the insured waived recovery against in a written contract or agreement made before the loss, without naming them in a schedule.
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 | 65 | 32 | 21 | Dec 2021 to Aug 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 12 20.
What the filings show
- Edition in use: in the past 12 months, 12 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 62 of the same filings (94%).
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 24 80, out of 26 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 |
| Arbella Insurance GroupArbella Protection Insurance Company, Inc. | 3 | 3 | 12 19 | Oct 31, 2023 |
| Indiana Farmers Mutual GroupIndiana Farmers Mutual Insurance Company | 3 | 3 | 12 19 | Mar 28, 2024 |
| Berkshire Hathaway Group2 group companies filed it, led by The Medical Protective Company and Wellfleet Insurance Company | 2 | 2 | 12 19 | Jun 30, 2026 |
| Insurance Services Office, Inc.Advisory Organization | 2 | 1 | 12 19 | May 23, 2022 |
How the largest insurers handle CU 24 80
Groups among the largest commercial umbrella and excess insurers that filed CU 24 80 or their own version in the past five years.
- Berkshire Hathaway GroupUses CU 24 80 in 1 filing
- Fairfax Financial GroupUses CU 24 80 in 1 filing
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States
Number of filings that include CU 24 80 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)62 filings
- CU 21 17Exclusion - Designated Operations Covered By A Controlled (Wrap-Up) Insurance Program55 filings
- CU 21 08Exclusion - Intercompany Products Suits54 filings
- CU 21 01Exclusion - Athletic Or Sports Participants53 filings
- CU 22 18Optical And Hearing Aid Establishments53 filings
- CU 25 01Designated Project(s) Aggregate Limit Of Insurance53 filings
- CU 22 21Colleges Or Schools52 filings
- CU 34 23Cannabis Exclusion With Hemp Exception52 filings
- CU 22 20Pharmacists51 filings
- CU 22 63Pharmacists - Broadened Coverage51 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 7, 2026 | Merchants Mutual Insurance Company | VT | 12 19 | MERC-134791783 |
| 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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