Coverage description
An Insurance Services Office (ISO) standard form. It excludes umbrella coverage for injury or damage arising out of cannabis, including its production, sale and use, but keeps coverage for hemp goods that are legal where the loss happens and for certain personal injury offenses.
How the form has changed
1 change across 1 revision, newest first. Each edition is compared with the one before it, using wording from filed copies.
06 26 edition
Jun 2026, compared with 12 20Latest editionThe exception for wrongful eviction, entry or invasion of private occupancy now applies to premises occupied by an organization, not only by a person.
12 20
“premises that a person occupies, committed”
06 26
“premises that a person or organization occupies”
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 06 26Jun 2026Latest | 25 | 2 | 24 | Sep 2025 to Feb 2026 |
| 12 20Dec 2020 | 63 | 45 | 20 | Jan 2022 to Aug 2026 |
| 12 19Dec 2019 | 16 | 7 | 12 | Dec 2021 to Jan 2026 |
Where filings record what this form replaced, they name earlier editions 12 19, 12 20 and other forms C 34 23. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 14 companies filed the 12 20 edition and 2 companies filed 06 26.
- CU 34 24 (Cannabis Exclusion With Hemp And Lessors Risk Exceptions) is filed alongside it most often, in 93 of the same filings (89%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 23, out of 28 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 27 | 25 | 06 2612 2012 19 | Jan 14, 2026 |
| Nationwide Corporation Group3 group companies filed it, led by Nationwide Agribusiness Insurance Company and Crestbrook Insurance Company | 11 | 6 | 12 2012 19 | Jun 30, 2026 |
| Grinnell Mutual GroupGrinnell Mutual Reinsurance Company | 9 | 9 | 12 20 | Mar 22, 2023 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company | 8 | 4 | 12 2006 26 | Aug 11, 2026 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 12 2012 19 | Jun 26, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 12 20 | Jun 15, 2026 |
| WR Berkley Corporation Group7 group companies filed it, led by Admiral Indemnity Company and Berkley National Insurance Company | 5 | 1 | 12 20 | Aug 4, 2026 |
| Grange Mutual CAS GroupGrange Insurance Company | 4 | 4 | 12 19 | Mar 26, 2024 |
| Arbella Insurance GroupArbella Protection Insurance Company, Inc. | 3 | 3 | 12 19 | Oct 31, 2023 |
| United Fire & CAS Group3 group companies filed it, led by United Fire and Casualty Company and Addison Insurance Company | 3 | 2 | 12 20 | Jun 19, 2026 |
How the largest insurers handle CU 34 23
Groups among the largest commercial umbrella and excess insurers that filed CU 34 23 or their own version in the past five years.
- Berkshire Hathaway GroupUses CU 34 23 in 1 filing
- WR Berkley Corporation GroupUses CU 34 23 in 4 filings
- Fairfax Financial GroupUses CU 34 23 in 1 filing
See more forms
Search related forms, compare editions, and research carrier filings with FilingFocus.
States
Number of filings that include CU 34 23 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 34 24Cannabis Exclusion With Hemp And Lessors Risk Exceptions93 filings
- CU 34 22Cannabis Exclusion89 filings
- CU 21 86Exclusion – Access Or Disclosure Of Confidential Or Personal Material Or Information82 filings
- CU 22 63Pharmacists - Broadened Coverage75 filings
- CU 22 20Pharmacists74 filings
- CU 24 03Waiver Of Transfer Of Rights Of Recovery Against Others To Us (Waiver Of Subrogation)72 filings
- CU 22 94Professional Liability Exclusion – Computer, Telecommunication, Electronic Data Or Internet Services (formerly titled Professional Liability Exclusion – Electronic Data Processing Services And Computer Consulting Or Programming Services)71 filings
- CU 21 15Exclusion – Financial Services70 filings
- CU 00 01Commercial Liability Umbrella Coverage Form69 filings
- CU 22 86Professional Liability Exclusion – Web Site Designers69 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 |
| Jul 2, 2026 | Zenith Insurance Company | CA | 12 20 | ZICO-134998423 |
| 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 | 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 | 06 26 | SFCC-134815068 |
| Jan 28, 2026 | Truck Insurance Exchange | IL | 12 20 | FARM-134815661 |
| Jan 14, 2026 | Insurance Services Office, Inc. | VA | 06 26 | ISOF-134799407 |
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
See more carrier forms
Search forms by carrier, line of business, state, and wording with FilingFocus.