Coverage description
An Insurance Services Office (ISO) standard form. It excludes umbrella coverage for ongoing and completed operations at scheduled locations where you are enrolled in a controlled (wrap-up) insurance program, unless that program ends for reasons other than exhausted limits.
How the form has changed
2 changes across 1 revision, newest first. Each edition is compared with the one before it, using wording from filed copies.
12 19 edition
Dec 2019, compared with 05 09Latest editionThe exclusion applies only if you are enrolled in the wrap-up program for the injury or damage at the scheduled location, rather than whenever a program was provided by the prime contractor, project manager or owner.
05 09
“as a consolidated (wrap-up) insurance program has been provided by the prime contractor/project manager or owner”
12 19
“but only if you are enrolled in a "controlled (wrap-up) insurance program"”
A new definition treats a controlled wrap-up program as any centralized program in which one party secures insurance or self-insurance for some or all contractors on one or more projects.
05 09
Not in this edition
12 19
“a centralized insurance program under which one party has secured either insurance”
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 | 42 | 23 | 12 | Mar 2022 to Aug 2026 |
| 05 09May 2009 | 11 | 9 | 7 | Aug 2022 to Sep 2024 |
What the filings show
- Edition in use: in the past 12 months, 11 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 53 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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 21 84, out of 20 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Nationwide Corporation Group3 group companies filed it, led by Nationwide Agribusiness Insurance Company and Crestbrook Insurance Company | 7 | 2 | 12 1905 09 | 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 | 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 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 12 19 | Jun 15, 2026 |
| James River GroupFalls Lake National Insurance Company | 4 | 4 | 05 09 | Jan 13, 2023 |
| American European Group2 group companies filed it, led by American European Insurance Company and Rutgers Casualty Ins Co | 2 | 2 | 05 09 | Apr 17, 2023 |
| Berkshire Hathaway Group2 group companies filed it, led by The Medical Protective Company and Wellfleet Insurance Company | 2 | 2 | 12 19 | Jun 30, 2026 |
| Encova Mutual Insurance Group3 group companies filed it, led by Motorists Mutual Insurance Company and Wilson Mutual Insurance Company | 2 | 2 | 05 09 | Jun 25, 2024 |
| Insurance Services Office, Inc.Advisory Organization | 2 | 1 | 12 19 | May 23, 2022 |
How the largest insurers handle CU 21 84
Groups among the largest commercial umbrella and excess insurers that filed CU 21 84 or their own version in the past five years.
- Chubb Limited GroupUses CU 21 84 in 1 filing
- Berkshire Hathaway GroupUses CU 21 84 in 1 filing
- Fairfax Financial GroupUses CU 21 84 in 1 filing
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States
Number of filings that include CU 21 84 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)53 filings
- CU 21 01Exclusion - Athletic or Sports Participants47 filings
- CU 21 08Exclusion - Intercompany Products Suits47 filings
- CU 21 17Exclusion - Designated Operations Covered By A Controlled (Wrap-Up) Insurance Program47 filings
- CU 22 18Optical And Hearing Aid Establishments47 filings
- CU 22 21Colleges or Schools47 filings
- CU 22 63Pharmacists - Broadened Coverage45 filings
- CU 22 20Pharmacists44 filings
- CU 24 29Businessowners Liability Changes44 filings
- CU 24 15Fellow Employee Auto Coverage For Designated Employees/Positions43 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 |
| Nov 22, 2025 | The Medical Protective Companyand 1 more | WA | 12 19 | MDPC-134692417 |
| Jun 27, 2025 | Church Mutual Insurance Company, S.I. | CO | 12 19 | CHMU-134582751 |
| Jun 27, 2025 | Next Insurance US Company | CA | 12 19 | NXUS-134584662 |
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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