Coverage description
An Insurance Services Office (ISO) standard form. Declarations page for the Commercial Excess Liability policy, showing the policy period, excess limits, premium, endorsements and the schedule of underlying insurance with its limits.
How the form has changed
The 06 26 edition adds a sample page caution, expands the schedule of underlying insurance by coverage type and updates the form date. The declarations wording is otherwise the same.
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 | 1 | 25 | Sep 2025 to Jan 2026 |
| 09 18Sep 2018 | 136 | 12 | 45 | Nov 2021 to Jun 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 09 08.
Where filings record what this form replaced, they name earlier edition CX DS 01 09 18 and other forms RSXS 00 01. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 6 companies filed the 09 18 edition.
- The latest edition, 06 26, has been filed by Insurance Services Office, Inc in 25 states since Sep 12, 2025. No carrier filings list it yet.
- CUDS01 (Commercial Liability Umbrella Declarations) is filed alongside it most often, in 72 of the same filings (44%).
Filed under
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Jun 2026, excluding withdrawn and rejected filings.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 CX DS 01, out of 11 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| QBE Insurance Group4 group companies filed it, led by North Pointe Insurance Company and Praetorian Insurance Company | 46 | 41 | 09 18 | Jun 30, 2026 |
| Randall & Quilter Investment GroupAccredited Surety and Casualty Company, Inc. | 43 | 43 | 09 18 | Apr 9, 2025 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 38 | 36 | 09 18 | May 17, 2025 |
| Insurance Services Office, Inc.Advisory Organization | 25 | 25 | 06 26 | Jan 14, 2026 |
| Amtrust Financial Services GroupFirst Nonprofit Insurance Company | 3 | 3 | 09 1809 08 | Nov 10, 2023 |
| Church Mutual GroupCM Regent Insurance Company | 3 | 3 | 09 18 | Dec 9, 2022 |
| Ascot Insurance US GroupAscot Insurance Company | 1 | 1 | 09 08 | Dec 7, 2022 |
| BCBS OF MI GroupStar Insurance Company | 1 | 1 | 09 18 | Jun 25, 2026 |
| Group 1001 Insurance Holdings GroupCLEAR SPRING PROPERTY AND CASUALTY COMPANY | 1 | 1 | 09 18 | Jun 5, 2025 |
| Incline Insurance Group LLC GroupIncline Casualty Company | 1 | 1 | 09 18 | Nov 3, 2021 |
How the largest insurers handle CX DS 01
Groups among the largest commercial umbrella and excess insurers that filed CX DS 01 or their own version in the past five years.
- WR Berkley Corporation GroupFiles its own version: CX DS 8300 Commercial Excess Liability Declarations (36 states)
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States
Number of filings that include CX DS 01 in each state, Oct 2021 to Jun 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CUDS01Commercial Liability Umbrella Declarations72 filings
- ILDS00Common Policy Declarations46 filings
- CX 00 01Commercial Excess Liability Coverage Form45 filings
- CGDS03Liquor Liability Declarations37 filings
- CGDS01Commercial General Liability Declarations36 filings
- CX 21 10Limitation Of Coverage To Designated Premises, Project Or Operation27 filings
- CX 21 14Exclusion – Exterior Insulation And Finish Systems27 filings
- CX 21 20Exclusion – Professional Services27 filings
- CU 00 01Commercial Liability Umbrella Coverage Form26 filings
- CU 04 02Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage (formerly titled Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage – Subject To Cyber Incident Exclusion)26 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Jun 30, 2026 | North Pointe Insurance Companyand 3 more | CO | 09 18 | QBEC-134991156 |
| Jun 25, 2026 | Star Insurance Company | OK | 09 18 | ACCD-G134875998 |
| Jan 14, 2026 | Insurance Services Office, Inc. | VA | 06 26 | ISOF-134799407 |
| Nov 13, 2025 | U.S. Specialty Insurance Company | CA | 09 18 | HCCH-134700305 |
| Sep 30, 2025 | Insurance Services Office, Inc. | GA | 06 26 | ISOF-134687840 |
| Sep 16, 2025 | Insurance Services Office, Inc. | VT | 06 26 | ISOF-134664793 |
| Sep 15, 2025 | Insurance Services Office, Inc. | LA | 06 26 | ISOF-134664766 |
| Sep 15, 2025 | Insurance Services Office, Inc. | ME | 06 26 | ISOF-134664767 |
| Sep 15, 2025 | Insurance Services Office, Inc. | MD | 06 26 | ISOF-134664768 |
| Sep 15, 2025 | Insurance Services Office, Inc. | OK | 06 26 | ISOF-134664783 |
| Sep 13, 2025 | Insurance Services Office, Inc. | CO | 06 26 | ISOF-134664755 |
| Sep 13, 2025 | Insurance Services Office, Inc. | ID | 06 26 | ISOF-134664760 |
Most filed ISO CX forms
- CX 21 43 Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information
- CX 00 01 Commercial Excess Liability Coverage Form
- CX 21 04 Total Pollution Exclusion With A Building Heating, Cooling and Dehumidifying Equipment Exception and a Hostile Fire Exception
- CX 21 93 Broad Abuse Or Molestation Exclusion
- CX 21 94 Sexual Abuse Or Sexual Molestation Exclusion
- CX 21 97 Exclusion - Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
- CX 21 10 Limitation Of Coverage To Designated Premises, Project Or Operation
- CX 21 79 Cannabis Exclusion
- CX 21 80 Cannabis Exclusion With Hemp Exception
- CX 21 81 Cannabis Exclusion With Hemp And Lessors Risk Exceptions
- CX 21 11 Exclusion – Abuse Or Molestation
- CX 21 18 Exclusion – Abuse Or Molestation – Specified Professional Services
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