Coverage description
An Insurance Services Office (ISO) standard form. It replaces the bankruptcy or insolvency exclusion in the excess auto dealers acts, errors or omissions coverage, but the exclusion does not apply if the failed insurer met the minimum rating score from the credit rating bureau shown in the schedule when the insurance was placed.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 20Dec 2020Latest | 55 | 48 | 11 | Jan 2022 to Aug 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 09 20.
What the filings show
- Edition in use: in the past 12 months, 24 companies filed the 12 20 edition.
- CU 24 53 (Automatic Insured Status For Newly Acquired Or Formed Limited Liability Companies - Excess Auto Dealers Acts, Errors, Or Omissions Liability Coverages) is filed alongside it most often, in 56 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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 39, out of 20 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| WR Berkley Corporation Group14 group companies filed it, led by Acadia Insurance Company and Continental Western Insurance Company | 13 | 2 | 12 20 | Aug 4, 2026 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company | 8 | 4 | 12 20 | Aug 11, 2026 |
| Nationwide Corporation Group2 group companies filed it, led by Crestbrook Insurance Company and Nationwide Agribusiness Insurance Company | 6 | 2 | 12 20 | Jun 30, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 12 20 | Jun 15, 2026 |
| Insurance Services Office, Inc.Advisory Organization | 4 | 4 | 12 20 | Jan 6, 2023 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 3 | 1 | 12 20 | Jun 26, 2026 |
| Berkshire Hathaway Group2 group companies filed it, led by The Medical Protective Company and Wellfleet Insurance Company | 2 | 2 | 12 20 | Jun 30, 2026 |
| Liberty Mutual GroupState Automobile Mutual Insurance Company | 2 | 2 | 09 2012 20 | Mar 10, 2023 |
| Munich RE Group4 group companies filed it, led by American Alternative Insurance Corporation and American Family Home Insurance Company | 2 | 1 | 12 20 | Jun 27, 2025 |
| AU Holding Company GroupContinental Indemnity Company | 1 | 1 | 12 20 | May 25, 2023 |
How the largest insurers handle CU 34 39
Groups among the largest commercial umbrella and excess insurers that filed CU 34 39 or their own version in the past five years.
- Berkshire Hathaway GroupUses CU 34 39 in 1 filing
- WR Berkley Corporation GroupUses CU 34 39 in 3 filings
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States
Number of filings that include CU 34 39 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 53Automatic Insured Status For Newly Acquired Or Formed Limited Liability Companies - Excess Auto Dealers Acts, Errors, Or Omissions Liability Coverages56 filings
- CU 34 38Total Bankruptcy Or Insolvency Exclusion For Excess Auto Dealers Acts, Errors Or Omissions Liability Coverages56 filings
- CU 04 23Excess Auto Dealers Acts, Errors or Omissions Liability Coverages47 filings
- CU 21 89Public Or Livery Passenger Conveyance Exclusion46 filings
- CU 21 90Public Or Livery Passenger Conveyance And On-Demand Delivery Services Exclusion46 filings
- CU 22 39Driving Schools - Non- Owned Autos46 filings
- CU 24 03Waiver Of Transfer Of Rights Of Recovery Against Others To Us (Waiver Of Subrogation)46 filings
- CU 22 36Truckers - Uniform Intermodal Interchange Endorsement Form UIIE - 145 filings
- CU 22 37Motor Carrier Endorsement45 filings
- CU 24 81Automatic Insured Status For Newly Acquired Or Formed Limited Liability Companies45 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 20 | PHLX-135041545 |
| Aug 4, 2026 | Intrepid Casualty Company | CA | 12 20 | BNIC-135042224 |
| Jun 30, 2026 | The Medical Protective Companyand 1 more | IL | 12 20 | MDPC-135002488 |
| Jun 30, 2026 | Crestbrook Insurance Companyand 1 more | CO | 12 20 | NWPP-135003098 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 12 20 | CHMU-134995025 |
| Jun 19, 2026 | Acadia Insurance Companyand 4 more | CO | 12 20 | BNIC-134992811 |
| Jun 19, 2026 | Berkley Casualty Companyand 8 more | CO | 12 20 | BNIC-134992815 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 12 20 | UNFG-134979875 |
| Jun 15, 2026 | Sompo America Insurance Company | CO | 12 20 | SMPJ-134971280 |
| Jun 2, 2026 | Philadelphia Indemnity Insurance Company | IL | 12 20 | PHLX-134967828 |
| Feb 17, 2026 | Safety National Casualty Corporation | CO | 12 20 | SFCC-134815068 |
| Nov 22, 2025 | The Medical Protective Companyand 1 more | WA | 12 20 | 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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