Coverage description
An Insurance Services Office (ISO) standard form. It excludes umbrella personal and advertising injury coverage arising from access to or disclosure of anyone's confidential or personal material or information, including related notification, monitoring, forensic and similar costs.
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 23 edition
Dec 2023, compared with 05 14Latest editionThe exclusion now applies to confidential or personal material as well as information, and lists biometric information.
05 14
“personal information, including patents, trade secrets”
12 23
“Health information, biometric information”
The list of excluded costs now adds identity monitoring, data restoration and extortion expenses.
05 14
Not in this edition
12 23
“data restoration expenses, extortion expenses”
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 23Dec 2023Latest | 126 | 32 | 47 | Feb 2023 to Sep 2026 |
| 05 14May 2014 | 18 | 13 | 4 | May 2022 to Jun 2025 |
Where filings record what this form replaced, they name earlier edition 05 14 and other forms CU 21 08. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 9 companies filed the 12 23 edition.
- CU 21 86 (Exclusion – Access Or Disclosure Of Confidential Or Personal Material Or Information) is filed alongside it most often, in 143 of the same filings (99%).
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Sep 2026, excluding withdrawn and rejected filings.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 88, out of 19 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 63 | 39 | 12 23 | Jan 14, 2026 |
| THE Hanover Insurance Group6 group companies filed it, led by Massachusetts Bay Insurance Company and The Hanover Insurance Company | 31 | 30 | 12 23 | Jun 19, 2024 |
| Nationwide Corporation Group3 group companies filed it, led by Nationwide Mutual Insurance Company and Crestbrook Insurance Company | 15 | 11 | 12 2305 14 | Jun 30, 2026 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 7 | 3 | 05 1412 23 | Jun 26, 2026 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company | 6 | 3 | 12 2305 14 | Aug 11, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 12 2305 14 | Jun 15, 2026 |
| American Family Insurance GroupMidvale Indemnity Company | 2 | 2 | 05 14 | Sep 28, 2023 |
| Amtrust Financial Services Group7 group companies filed it, led by AmTrust Insurance Company of Kansas, Inc. and CorePointe Insurance Company | 2 | 1 | 12 23 | Aug 8, 2023 |
| Encova Mutual Insurance Group3 group companies filed it, led by Motorists Mutual Insurance Company and Wilson Mutual Insurance Company | 2 | 2 | 05 14 | Jun 25, 2024 |
| United Fire & CAS Group2 group companies filed it, led by Addison Insurance Company and United Fire and Casualty Company | 2 | 2 | 12 23 | Jun 19, 2026 |
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States
Number of filings that include CU 21 88 in each state, Oct 2021 to Sep 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CU 21 86Exclusion – Access Or Disclosure Of Confidential Or Personal Material Or Information143 filings
- CU 00 05Exclusion - Violation Of Law Addressing Data Privacy124 filings
- CU 04 02Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion110 filings
- CU 04 54Loss of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion - Deletion Of Bodily Injury Exception109 filings
- CU 34 55Exclusion - Electronic Data - Deletion Of Bodily Injury Exception101 filings
- CU 34 56Exclusion – Cyber Incident94 filings
- CU 04 98Cyber Incident Liability Coverage Subject To Each Cyber Incident Occurrence And Aggregate Limits93 filings
- CU 04 99Cyber Incident Liability Coverage And Loss Of Electronic Data Liability Coverage Subject To Loss Of Electronic Data, Each Cyber Incident Occurrence And Aggregate Limits93 filings
- CU 21 87Exclusion - Access Or Disclosure Of Confidential Or Personal Information and Data-Related Liability - Limited Bodily Injury Exception Not Included93 filings
- CU 22 37Motor Carrier Endorsement75 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Sep 10, 2026 | SECURA Insurance, A Mutual Company | IL | 12 23 | SEIC-135049056 |
| Aug 11, 2026 | Philadelphia Indemnity Insurance Company | SC | 12 23 | PHLX-135041545 |
| Jun 30, 2026 | Crestbrook Insurance Companyand 1 more | CO | 12 23 | NWPP-135003098 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 12 23 | CHMU-134995025 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 12 23 | UNFG-134979875 |
| Jun 15, 2026 | Sompo America Insurance Company | CO | 12 23 | SMPJ-134971280 |
| Jun 2, 2026 | Philadelphia Indemnity Insurance Company | IL | 12 23 | PHLX-134967828 |
| Jan 14, 2026 | Insurance Services Office, Inc. | VA | 12 23 | ISOF-134799407 |
| Sep 30, 2025 | Insurance Services Office, Inc. | GA | 12 23 | ISOF-134687840 |
| Sep 16, 2025 | Insurance Services Office, Inc. | VT | 12 23 | ISOF-134664793 |
| Sep 15, 2025 | Insurance Services Office, Inc. | LA | 12 23 | ISOF-134664766 |
| Sep 15, 2025 | Insurance Services Office, Inc. | ME | 12 23 | 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 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
- CU 00 01 Commercial Liability Umbrella Coverage Form
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