Coverage description
An Insurance Services Office (ISO) standard form. Colorado state amendatory endorsement requiring the insurer to give the first named insured a record of reported acts, errors or omissions and a summary of payments and reserves under employee benefits liability coverage, on cancellation, nonrenewal or written request.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 05 10May 2010Latest | 65 | 30 | 1 | Apr 2022 to Oct 2026 |
What the filings show
- Edition in use: in the past 12 months, 22 companies filed the 05 10 edition.
- CG 04 35 (Employee Benefits Liability Coverage) is filed alongside it most often, in 65 of the same filings (100%).
Filed under
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 CG 33 78, out of 14 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Liberty Mutual Group3 group companies filed it, led by State Automobile Mutual Insurance Company and Milbank Insurance Company | 15 | 1 | 05 10 | Jun 25, 2026 |
| WR Berkley Corporation Group14 group companies filed it, led by Acadia Insurance Company and Continental Western Insurance Company | 9 | 1 | 05 10 | Jun 19, 2026 |
| Markel Corporation GroupState National Insurance Company, Inc. | 8 | 1 | 05 10 | Oct 22, 2026 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 5 | 1 | 05 10 | Jun 15, 2026 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 05 10 | Jun 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 5 | 1 | 05 10 | Feb 17, 2026 |
| Country Insurance & Financial Services GroupCOUNTRY Mutual Insurance Company | 4 | 1 | 05 10 | Jun 11, 2025 |
| OLD Republic GroupOld Republic Insurance Company | 4 | 1 | 05 10 | Jun 30, 2025 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 3 | 1 | 05 10 | Jun 26, 2026 |
| Starr Group2 group companies filed it, led by Starr Indemnity and Liability Company and Starr Specialty Insurance Company | 3 | 1 | 05 10 | Jun 25, 2025 |
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States
Number of filings that include CG 33 78 in each state, Oct 2021 to Oct 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CG 04 35Employee Benefits Liability Coverage65 filings
- CG 27 15Extended Reporting Period Endorsement For Employee Benefits Liability Coverage60 filings
- CG 00 02Commercial General Liability Coverage Form52 filings
- CG 01 72Colorado Changes52 filings
- CG 21 93Extended Reporting Period for Terrorism Coverage52 filings
- CG 00 34Liquor Liability Coverage Form51 filings
- CG 00 38Products/Complete D Operations Liability Coverage Form51 filings
- CG 01 73Colorado Changes51 filings
- CG 01 74Colorado Changes51 filings
- CG 27 02Exclusion of Specific Accidents, Products, Work or Locations (for Use with Cgl Claims- Made Policies)51 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Oct 22, 2026 | State National Insurance Company, Inc. | CO | 05 10 | STNA-135128706 |
| Jul 2, 2026 | State National Insurance Company, Inc. | CO | 05 10 | STNA-135002472 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 05 10 | CHMU-134947220 |
| Jun 25, 2026 | Milbank Insurance Companyand 2 more | CO | 05 10 | STAT-134983700 |
| Jun 19, 2026 | Acadia Insurance Companyand 4 more | CO | 05 10 | BNIC-134992811 |
| Jun 19, 2026 | Berkley Casualty Companyand 8 more | CO | 05 10 | BNIC-134992815 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 05 10 | SMPJ-134985965 |
| Jun 17, 2026 | State Automobile Mutual Insurance Company | CO | 05 10 | STAT-134984678 |
| Jun 17, 2026 | Milbank Insurance Companyand 2 more | CO | 05 10 | STAT-134984749 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 05 10 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 05 10 | MRTN-134978902 |
| Feb 17, 2026 | Safety National Casualty Corporation | CO | 05 10 | SFCC-134814522 |
Most filed ISO CG forms
- CG 40 32 Exclusion - Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
- CG 21 06 Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information
- CG 20 10 Additional Insured - Owners, Lessees or Contractors - Scheduled Person or Organization Endorsement
- CG DS 01 Commercial General Liability Declarations
- CG 20 26 Additional Insured - Designated Person or Organization Endorsement
- CG 00 01 Commercial General Liability Coverage Form
- CG 20 37 Additional Insured - Owners, Lessees or Contractors - Completed Operations Endorsement
- CG 40 28 Broad Abuse or Molestation Exclusion
- CG 20 28 Additional Insured - Lessor of Leased Equipment
- CG 20 11 Additional Insured - Managers or Lessors of Premises
- CG 21 47 Employment-Related Practices Exclusion
- CG 04 35 Employee Benefits Liability Coverage
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