Coverage description
An Insurance Services Office (ISO) standard form. It adds an umbrella liability exclusion for injury or damage from computer and electronic failures to handle the year 2000 and beyond, and for related advice or repair work, except for coverages and operations chosen in its schedules.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 09 10Sep 2010 | 4 | 2 | 1 | May 2025 to Jun 2026 |
| 09 00Sep 2000Latest | 58 | 22 | 25 | May 2022 to Aug 2026 |
What the filings show
- Edition in use: in the past 12 months, 8 companies filed the 09 00 edition and 2 companies filed 09 10.
- CU 21 18 (Exclusion - Year 2000 Computer-Related and Other Electronic Problems) is filed alongside it most often, in 58 of the same filings (94%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 04 01, out of 17 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 22 | 22 | 09 00 | Sep 30, 2025 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company | 6 | 3 | 09 00 | Aug 11, 2026 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 09 00 | Jun 26, 2026 |
| Nationwide Corporation Group2 group companies filed it, led by Crestbrook Insurance Company and Nationwide Agribusiness Insurance Company | 5 | 1 | 09 00 | Jun 30, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 09 00 | Jun 15, 2026 |
| Pharmacists Mutual Group2 group companies filed it, led by Chiron Insurance Company and Pharmacists Mutual Insurance Company | 4 | 1 | 09 10 | Jun 18, 2026 |
| AU Holding Company GroupContinental Indemnity Company | 3 | 3 | 09 00 | May 3, 2024 |
| American Family Insurance GroupMidvale Indemnity Company | 2 | 2 | 09 00 | Sep 28, 2023 |
| Western Reserve Group2 group companies filed it, led by Lightning Rod Mutual Insurance Company and Western Reserve Mutual Casualty Company | 2 | 2 | 09 00 | Sep 5, 2024 |
| Ally Insurance Holdings GroupMotors Insurance Corporation | 1 | 1 | 09 00 | Mar 19, 2024 |
How the largest insurers handle CU 04 01
Groups among the largest commercial umbrella and excess insurers that filed CU 04 01 or their own version in the past five years.
- Chubb Limited GroupUses CU 04 01 in 1 filing
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States
Number of filings that include CU 04 01 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 21 18Exclusion - Year 2000 Computer-Related and Other Electronic Problems58 filings
- CU 21 19Exclusion - Year 2000 Computer-Related and Other Electronic Problems - Products Completed Operations58 filings
- CU 21 20Exclusion - Year 2000 Computer-Related and Other Electronic Problems - With Exception For Bodily Injury On Your Premises58 filings
- CU 21 21Year 2000 Computer- Related and Other Electronic Problems – Exclusion of Specified Coverages For Designated Locations, Operations, Products or Services58 filings
- CU 21 42Exclusion – Exterior Insulation And Finish Systems56 filings
- CU 22 01Exclusion – Property Entrusted56 filings
- CU 22 05Exclusion - Housing Projects Sites56 filings
- CU 22 08Exclusion – Saline Substances Contamination56 filings
- CU 22 13Exclusion – Underground Resources And Equipment56 filings
- CU 22 17Stevedoring Operations – Products-Completed Operations Hazard Redefined56 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Aug 12, 2026 | Colonial Surety Company | SC | 09 00 | MRTN-134978915 |
| Aug 11, 2026 | Philadelphia Indemnity Insurance Company | SC | 09 00 | PHLX-135041545 |
| Jun 30, 2026 | Crestbrook Insurance Companyand 1 more | CO | 09 00 | NWPP-135003098 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 09 00 | CHMU-134995025 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 09 00 | UNFG-134979875 |
| Jun 18, 2026 | Chiron Insurance Companyand 1 more | CO | 09 10 | PHAR-134991599 |
| Jun 18, 2026 | Chiron Insurance Companyand 1 more | CO | 09 10 | PHAR-134991621 |
| Jun 15, 2026 | Sompo America Insurance Company | CO | 09 00 | SMPJ-134971280 |
| Jun 2, 2026 | Philadelphia Indemnity Insurance Company | IL | 09 00 | PHLX-134967828 |
| Sep 30, 2025 | Insurance Services Office, Inc. | GA | 09 00 | ISOF-134687840 |
| Sep 16, 2025 | Insurance Services Office, Inc. | VT | 09 00 | ISOF-134664793 |
| Sep 15, 2025 | Insurance Services Office, Inc. | ME | 09 00 | ISOF-134664767 |
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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