Coverage description
An Insurance Services Office (ISO) standard form. It excludes umbrella coverage for damages from access to or disclosure of confidential or personal information and from loss of or damage to electronic data, with no exception for resulting bodily injury.
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.
12 20 edition
Dec 2020, compared with 05 14Latest editionThe electronic data part of the exclusion no longer applies when valid underlying insurance covers those risks, and the umbrella then follows the underlying policy's terms.
05 14
Not in this edition
12 20
“Paragraph (2) does not apply if valid "underlying insurance" for the electronic data risks described above exists”
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 | 81 | 42 | 41 | Jan 2022 to Sep 2026 |
| 05 14May 2014 | 41 | 19 | 31 | Dec 2022 to Feb 2025 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 12 23.
Where filings record what this form replaced, they name earlier edition 05 14 and other forms NONE -WITHDRAWN. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 5 companies filed the 12 20 edition.
- CU 21 86 (Exclusion – Access Or Disclosure Of Confidential Or Personal Material Or Information) is filed alongside it most often, in 116 of the same filings (94%).
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Sep 2026, excluding withdrawn and rejected filings.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 87, out of 28 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 43 | 38 | 12 20 | Nov 3, 2023 |
| THE Hanover Insurance Group7 group companies filed it, led by Massachusetts Bay Insurance Company and The Hanover Insurance Company | 31 | 30 | 05 1412 20 | Jun 19, 2024 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 6 | 2 | 12 2005 14 | Jun 26, 2026 |
| Amtrust Financial Services Group7 group companies filed it, led by CorePointe Insurance Company and Milford Casualty Insurance Company | 3 | 2 | 05 14 | Feb 3, 2025 |
| Nationwide Corporation Group2 group companies filed it, led by Crestbrook Insurance Company and Nationwide Agribusiness Insurance Company | 3 | 2 | 12 20 | Sep 21, 2023 |
| Safety GroupSafety Insurance Company | 3 | 3 | 05 14 | Nov 9, 2023 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 3 | 2 | 12 20 | May 9, 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 |
| WR Berkley Corporation Group6 group companies filed it, led by Berkley National Insurance Company and Berkley Regional Insurance Company | 3 | 1 | 12 20 | Aug 4, 2026 |
| 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 |
How the largest insurers handle CU 21 87
Groups among the largest commercial umbrella and excess insurers that filed CU 21 87 or their own version in the past five years.
- Chubb Limited GroupUses CU 21 87 in 1 filing
- WR Berkley Corporation GroupUses CU 21 87 in 3 filings
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States
Number of filings that include CU 21 87 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 Information116 filings
- CU 21 88Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information (Coverage B Only)93 filings
- CU 22 37Motor Carrier Endorsement78 filings
- CU 00 05Exclusion - Violation Of Law Addressing Data Privacy76 filings
- CU 34 55Exclusion - Electronic Data - Deletion Of Bodily Injury Exception76 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 Exception64 filings
- CU 04 02Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion62 filings
- CU 04 55Electronic Data Liability Coverage (Coverage A) With Access Or Disclosure Of Confidential Or Personal Information Exclusion (Coverage B)60 filings
- CX 21 43Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information53 filings
- CU 34 56Exclusion – Cyber Incident47 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 20 | SEIC-135049056 |
| Aug 4, 2026 | Intrepid Casualty Company | CA | 12 20 | BNIC-135042224 |
| 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 |
| Aug 14, 2025 | Church Mutual Insurance Company, S.I. | CO | 12 20 | CHMU-134605978 |
| Jun 27, 2025 | Church Mutual Insurance Company, S.I. | CO | 12 20 | CHMU-134582751 |
| Jun 27, 2025 | Next Insurance US Company | CA | 12 20 | NXUS-134584662 |
| Jun 6, 2025 | Berkley National Insurance Companyand 3 more | CA | 12 20 | BNIC-134558458 |
| Jun 6, 2025 | Intrepid Insurance Company | CA | 12 20 | BNIC-134558484 |
| Feb 3, 2025 | CorePointe Insurance Companyand 2 more | CA | 05 14 | UNKP-134361764 |
| Sep 25, 2024 | Bankers Standard Insurance Company | CA | 12 20 | ACEH-134261278 |
| Jun 25, 2024 | Motorists Mutual Insurance Companyand 2 more | IL | 05 14 | MTRS-134080002 |
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 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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