Coverage description
A National Council on Compensation Insurance (NCCI) standard form. It records rate changes approved by the regulator that apply to the policy, listing for each state the date of change and the percentage change for state coverage and for Longshore and Harbor Workers Act coverage.
Updated
What the form says
Key clauses from the original edition, which has not been revised, quoted as filed.
“Rate changes that apply to the policy have been approved by the proper regulatory authority.”
WC 00 04 07
Why the endorsement is attached. The endorsement records that rate changes applying to this policy have regulatory approval. It shows the changes, not the rates themselves.
“The changes are shown in the Schedule.”
WC 00 04 07
What the schedule records. For each state the schedule gives the date of change and a percentage change, with separate columns for state coverage and for Longshore and Harbor Workers Act coverage.
How the form has changed
Filed copies carry the original 4-84 edition, with no revision letter.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed | Document |
|---|---|---|---|---|---|
| OriginalLatest | 142 | 83 | 25 | Jan 2022 to Nov 2026 | View PDF |
What the filings show
- Edition in use: in the past 12 months, 50 companies filed the original edition.
- WC 00 03 08 (Partners, Officers and Others Exclusion Endorsement) is filed alongside it most often, in 141 of the same filings (99%).
Filed under
Data from admitted P&C filings with state insurance departments, submitted Nov 2021 to Nov 2026, excluding withdrawn and rejected filings.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 WC 00 04 07, out of 32 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Brookfield Wealth Solutions Group5 group companies filed it, led by Argonaut Insurance Company and Argonaut-Midwest Insurance Company | 20 | 1 | Original | Jun 25, 2026 |
| Nationwide Corporation Group9 group companies filed it, led by AMCO Insurance Company and Crestbrook Insurance Company | 20 | 1 | Original | Jun 30, 2026 |
| United Fire & CAS GroupUnited Fire and Casualty Company | 14 | 11 | Original | May 4, 2026 |
| AXA Insurance Group5 group companies filed it, led by Greenwich Insurance Company and XL Insurance America, Inc. | 6 | 2 | Original | Jun 23, 2026 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety First Insurance Company and Safety National Casualty Corporation | 6 | 2 | Original | May 14, 2025 |
| Donegal Group3 group companies filed it, led by Donegal Mutual Insurance Company and Mountain States Indemnity Company | 5 | 1 | Original | Apr 27, 2026 |
| Mutual Capital Group Incorporated GroupIllinois Casualty Company | 5 | 5 | Original | Nov 2, 2026 |
| RLI Insurance GroupRLI Insurance Company | 5 | 1 | Original | Aug 18, 2026 |
| Sompo Group2 group companies filed it, led by Sompo America Fire and Marine Insurance Company and Sompo America Insurance Company | 5 | 1 | Original | Jun 15, 2026 |
| State Farm GroupState Farm Fire and Casualty Company | 5 | 1 | Original | May 4, 2026 |
How the largest insurers handle WC 00 04 07
Groups among the largest workers compensation insurers that filed WC 00 04 07 or their own version in the past five years.
- Amtrust Financial Services GroupUses WC 00 04 07 in 1 filing
States
Number of filings that include WC 00 04 07 in each state, Nov 2021 to Nov 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- WC 00 03 08Partners, Officers and Others Exclusion Endorsement141 filings
- WC 00 04 03Experience Rating Modification Factor Endorsement139 filings
- WC 00 03 05Joint Venture as Insured Endorsement138 filings
- WC 00 04 06Premium Discount Endorsement138 filings
- WC 00 03 10Sole Proprietors, Partners, Officers and Others Coverage Endorsement137 filings
- WC 00 03 13Waiver of Our Right to Recover From Others Endorsement137 filings
- WC 00 03 01Alternate Employer Endorsement136 filings
- WC 00 04 04Pending Rate Change Endorsement135 filings
- WC 00 04 22Terrorism Risk Insurance Program Reauthorization Act Disclosure Endorsement133 filings
- WC 00 03 02Designated Workplaces Exclusion Endorsement132 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Nov 2, 2026 | Illinois Casualty Company | OR | Original | ILCC-135079829 |
| Sep 16, 2026 | ZNAT Insurance Company | CT | Original | ZICO-135090521 |
| Aug 18, 2026 | RLI Insurance Company | CO | Original | RLSC-135057018 |
| Jun 30, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CO | Original | CNAB-135003197 |
| Jun 30, 2026 | Crestbrook Insurance Companyand 1 more | CO | Original | NWPP-135003409 |
| Jun 30, 2026 | National Casualty Company | CO | Original | NWPP-135004216 |
| Jun 25, 2026 | American National Property And Casualty Company | CO | Original | ANPC-134996042 |
| Jun 23, 2026 | Allmerica Financial Alliance Insurance Companyand 5 more | CO | Original | HNVX-134968029 |
| Jun 23, 2026 | AXA XL Insurance Company Americasand 3 more | CO | Original | XLAM-134996276 |
| Jun 15, 2026 | Sompo America Fire and Marine Insurance Companyand 1 more | CO | Original | SMPJ-134970923 |
| Jun 12, 2026 | All America Insurance Companyand 1 more | CO | Original | CEMC-134982050 |
| Jun 11, 2026 | Nationwide Assurance Companyand 3 more | CO | Original | NWPP-G134983730 |
Most filed NCCI WC forms
- WC 00 00 01 Information Page
- WC 00 04 19 Part Five, Premium Amendatory Endorsement
- WC 00 00 00 Workers Compensation and Employers Liability Insurance Policy
- WC 00 04 21 Catastrophe (Other Than Certified Acts of Terrorism) Premium Endorsement
- WC 00 04 06 Premium Discount Endorsement
- WC 00 03 13 Waiver of Our Right to Recover From Others Endorsement
- WC 00 04 22 Terrorism Risk Insurance Program Reauthorization Act Disclosure Endorsement
- WC 00 03 08 Partners, Officers and Others Exclusion Endorsement
- WC 00 03 03 Employers Liability Coverage Endorsement
- WC 00 03 11 Voluntary Compensation and Employers Liability Coverage Endorsement
- WC 00 04 03 Experience Rating Modification Factor Endorsement
- WC 00 04 04 Pending Rate Change Endorsement