ISO endorsement · commercial umbrella

CU 22 31 Auto Dealers Endorsement

Filings
56
latest Aug 11, 2026
Filing companies
37
21 carrier groups
States
17
Latest edition
09 18
Sep 2018

Coverage description

An Insurance Services Office (ISO) standard form. It modifies the umbrella for auto dealers whose underlying insurance is an Auto Dealers Coverage Form, revising exclusions, who is an insured for covered autos, garagekeepers coverage and key definitions.

How the form has changed

4 changes across 1 revision, newest first. Each edition is compared with the one before it, using wording from filed copies.

  1. 09 18 edition

    Sep 2018, compared with 12 07Latest edition
    • Insured status for employees now also excludes injury to a fellow employee's spouse, child, parent, brother or sister resulting from that employee's injury.

      12 07

      Not in this edition

      09 18

      “The spouse, child, parent, brother or”

    • The insured contract definition is revised for auto dealership rental and lease contracts, excluding obligations to pay for damage to autos you or your employees rent or lease.

      12 07

      Not in this edition

      09 18

      “pay "property damage" to any "auto" rented”

    • Your product now includes goods or products made or sold by an auto dealership you have acquired.

      12 07

      Not in this edition

      09 18

      “An "auto" dealership you have acquired”

    • Garagekeepers coverage is no broader than the underlying insurance.

      12 07

      Not in this edition

      09 18

      “provided by this Coverage Part will not be broader”

Editions

Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.

EditionFilingsCompaniesStatesFiled
09 18Sep 2018Latest473117May 2022 to Aug 2026
12 07Dec 2007762Jun 2022 to Jun 2026

2 other edition dates appear in one or two filings each, often carrier-specific versions: 01 08, 03 99.

What the filings show

  • Edition in use: in the past 12 months, 8 companies filed the 09 18 edition and 2 companies filed 12 07.
  • CU 24 16 (Auto Dealers Broad Form Products Coverage) is filed alongside it most often, in 51 of the same filings (91%).

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 22 31, out of 21 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Grinnell Mutual GroupGrinnell Mutual Reinsurance Company7709 18Mar 22, 2023
Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company7309 18Aug 11, 2026
Church Mutual GroupChurch Mutual Insurance Company, S.I.5209 18Jun 26, 2026
Grange Mutual CAS GroupGrange Insurance Company5509 18Mar 26, 2024
Nationwide Corporation Group2 group companies filed it, led by Crestbrook Insurance Company and Nationwide Agribusiness Insurance Company5112 07Jun 30, 2026
Sompo GroupSompo America Insurance Company5109 18Jun 15, 2026
Celina GroupThe Celina Mutual Insurance Company3309 18Aug 14, 2025
Amtrust Financial Services Group7 group companies filed it, led by AmTrust Insurance Company of Kansas, Inc. and CorePointe Insurance Company2109 18Aug 8, 2023
Berkshire Hathaway Group2 group companies filed it, led by The Medical Protective Company and Wellfleet Insurance Company2209 18Jun 30, 2026
Encova Mutual Insurance Group3 group companies filed it, led by Motorists Mutual Insurance Company and Wilson Mutual Insurance Company2209 1812 07Jun 25, 2024

How the largest insurers handle CU 22 31

Groups among the largest commercial umbrella and excess insurers that filed CU 22 31 or their own version in the past five years.

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States

Number of filings that include CU 22 31 in each state, Oct 2021 to Aug 2026. Darker states have more filings.

Tennessee: 2 filingsTN2Alabama: 0 filingsALFlorida: 0 filingsFLGeorgia: 1 filingGA1Oklahoma: 0 filingsOKSouth Carolina: 2 filingsSC2Arkansas: 0 filingsARMissouri: 1 filingMO1Indiana: 3 filingsIN3Louisiana: 0 filingsLAOhio: 0 filingsOHWisconsin: 0 filingsWITexas: 0 filingsTXKentucky: 1 filingKY1Iowa: 1 filingIA1Kansas: 0 filingsKSMississippi: 0 filingsMSNorth Carolina: 0 filingsNCNebraska: 0 filingsNESouth Dakota: 1 filingSD1Montana: 1 filingMT1New Hampshire: 0 filingsNHVirginia: 0 filingsVAArizona: 0 filingsAZPennsylvania: 1 filingPA1Rhode Island: 0 filingsRIMichigan: 0 filingsMIAlaska: 0 filingsAKDistrict of Columbia: 0 filingsDCIdaho: 0 filingsIDMaryland: 0 filingsMDWest Virginia: 1 filingWV1Utah: 0 filingsUTWyoming: 3 filingsWY3Delaware: 0 filingsDENew Mexico: 0 filingsNMColorado: 22 filingsCO22Connecticut: 0 filingsCTMaine: 0 filingsMENorth Dakota: 1 filingND1Illinois: 6 filingsIL6Minnesota: 0 filingsMNNew Jersey: 0 filingsNJNew York: 0 filingsNYMassachusetts: 0 filingsMAWashington: 1 filingWA1Oregon: 0 filingsORVermont: 0 filingsVTCalifornia: 8 filingsCA8Nevada: 0 filingsNVHawaii: 0 filingsHI
FewerMore filingsNone

Often filed with

Standard-style form numbers that appear in the same filings most often.

  • CU 24 16Auto Dealers Broad Form Products Coverage51 filings
  • CU 21 01Exclusion - Athletic or Sports Participants50 filings
  • CU 21 08Exclusion - Intercompany Products Suits50 filings
  • CU 24 03Waiver Of Transfer Of Rights Of Recovery Against Others To Us (Waiver Of Subrogation)50 filings
  • CU 24 19Lessor - Additional Insured And Loss Payee49 filings
  • CU 22 18Optical And Hearing Aid Establishments48 filings
  • CU 22 20Pharmacists48 filings
  • CU 22 21Colleges or Schools48 filings
  • CU 22 29Leasing Or Rental Concerns - Schedule Of Limits For Owned Autos48 filings
  • CU 24 15Fellow Employee Auto Coverage For Designated Employees/Positions48 filings

Recent filings

Latest filings that include this form number. Filed copies open in FilingFocus.

SubmittedCompanyStateEditionsTracking number
Aug 11, 2026Philadelphia Indemnity Insurance CompanySC09 18PHLX-135041545
Jun 30, 2026The Medical Protective Companyand 1 moreIL09 18MDPC-135002488
Jun 30, 2026Crestbrook Insurance Companyand 1 moreCO12 07NWPP-135003098
Jun 26, 2026Church Mutual Insurance Company, S.I.CO09 18CHMU-134995025
Jun 19, 2026Addison Insurance Companyand 1 moreCO09 18UNFG-134979875
Jun 15, 2026Sompo America Insurance CompanyCO09 18SMPJ-134971280
Jun 2, 2026Philadelphia Indemnity Insurance CompanyIL09 18PHLX-134967828
Feb 17, 2026Safety National Casualty CorporationCO09 18SFCC-134815068
Nov 22, 2025The Medical Protective Companyand 1 moreWA09 18MDPC-134692417
Aug 18, 2025American States Insurance CompanyWY01 08LBRC-134640495
Aug 18, 2025Safeco Insurance Company of AmericaWY03 99LWCM-134631960
Aug 14, 2025The Celina Mutual Insurance CompanyIN09 18CEIN-134638958

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