NCCI endorsement · workers compensation

WC 00 04 07 Rate Change Endorsement

Filings
142
latest Nov 2, 2026
Filing companies
83
32 carrier groups
States
25
Latest edition
Original

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.

EditionFilingsCompaniesStatesFiledDocument
OriginalLatest1428325Jan 2022 to Nov 2026View 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%).

Data from admitted P&C filings with state insurance departments, submitted Nov 2021 to Nov 2026, excluding withdrawn and rejected filings.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.

CarrierFilingsStatesEditions, most filed firstLast filed
Brookfield Wealth Solutions Group5 group companies filed it, led by Argonaut Insurance Company and Argonaut-Midwest Insurance Company201OriginalJun 25, 2026
Nationwide Corporation Group9 group companies filed it, led by AMCO Insurance Company and Crestbrook Insurance Company201OriginalJun 30, 2026
United Fire & CAS GroupUnited Fire and Casualty Company1411OriginalMay 4, 2026
AXA Insurance Group5 group companies filed it, led by Greenwich Insurance Company and XL Insurance America, Inc.62OriginalJun 23, 2026
Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety First Insurance Company and Safety National Casualty Corporation62OriginalMay 14, 2025
Donegal Group3 group companies filed it, led by Donegal Mutual Insurance Company and Mountain States Indemnity Company51OriginalApr 27, 2026
Mutual Capital Group Incorporated GroupIllinois Casualty Company55OriginalNov 2, 2026
RLI Insurance GroupRLI Insurance Company51OriginalAug 18, 2026
Sompo Group2 group companies filed it, led by Sompo America Fire and Marine Insurance Company and Sompo America Insurance Company51OriginalJun 15, 2026
State Farm GroupState Farm Fire and Casualty Company51OriginalMay 4, 2026

View all 32 carrier groups

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.

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.

SubmittedCompanyStateEditionsTracking number
Nov 2, 2026Illinois Casualty CompanyOROriginalILCC-135079829
Sep 16, 2026ZNAT Insurance CompanyCTOriginalZICO-135090521
Aug 18, 2026RLI Insurance CompanyCOOriginalRLSC-135057018
Jun 30, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCOOriginalCNAB-135003197
Jun 30, 2026Crestbrook Insurance Companyand 1 moreCOOriginalNWPP-135003409
Jun 30, 2026National Casualty CompanyCOOriginalNWPP-135004216
Jun 25, 2026American National Property And Casualty CompanyCOOriginalANPC-134996042
Jun 23, 2026Allmerica Financial Alliance Insurance Companyand 5 moreCOOriginalHNVX-134968029
Jun 23, 2026AXA XL Insurance Company Americasand 3 moreCOOriginalXLAM-134996276
Jun 15, 2026Sompo America Fire and Marine Insurance Companyand 1 moreCOOriginalSMPJ-134970923
Jun 12, 2026All America Insurance Companyand 1 moreCOOriginalCEMC-134982050
Jun 11, 2026Nationwide Assurance Companyand 3 moreCOOriginalNWPP-G134983730

View all 142 filings

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