Coverage description
An Insurance Services Office (ISO) standard form. It treats the vehicles listed in the schedule as mobile equipment rather than autos for covered autos liability coverage.
How the form has changed
The 10 13 edition updates the coverage forms it applies to, the schedule and the form date. The coverage wording is the same.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 10 13Oct 2013Latest | 219 | 100 | 31 | Nov 2021 to Aug 2026 |
| 12 93Dec 1993 | 9 | 8 | 6 | Jun 2022 to Jan 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 12 13.
What the filings show
- Edition in use: in the past 12 months, 38 companies filed the 10 13 edition and 1 company filed 12 93.
- CA 99 23 (Rental Reimbursement Coverage) is filed alongside it most often, in 226 of the same filings (98%).
Filed under
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 CA 23 03, out of 55 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 19 | 16 | 10 1312 93 | Jul 12, 2024 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by U.S. Specialty Insurance Company and Safety National Casualty Corporation | 18 | 14 | 10 13 | Feb 17, 2026 |
| Nationwide Corporation Group11 group companies filed it, led by Allied Insurance Company of America and Nationwide Mutual Insurance Company | 15 | 7 | 10 13 | Jun 25, 2025 |
| Arch Insurance Group3 group companies filed it, led by Arch Indemnity Insurance Company and Arch Insurance Company | 14 | 2 | 10 13 | Apr 8, 2026 |
| OLD Republic Group4 group companies filed it, led by BITCO General Insurance Corporation and BITCO National Insurance Company | 13 | 1 | 10 13 | May 11, 2026 |
| Liberty Mutual GroupState Automobile Mutual Insurance Company | 10 | 1 | 10 13 | Jun 17, 2026 |
| Scor GroupGeneral Security National Insurance Company | 10 | 1 | 10 13 | Jun 9, 2026 |
| MS & AD Insurance Group3 group companies filed it, led by Mitsui Sumitomo Insurance Company of America and Mitsui Sumitomo Insurance USA Inc. | 8 | 5 | 10 13 | Sep 4, 2025 |
| Markel Corporation Group3 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company | 8 | 4 | 10 13 | Jun 24, 2024 |
| Southern Farm Bureau CAS Group3 group companies filed it, led by Colorado Farm Bureau Insurance Company and Southern Farm Bureau Casualty Insurance Company | 7 | 4 | 10 13 | Jul 8, 2026 |
How the largest insurers handle CA 23 03
Groups among the largest commercial auto insurers that filed CA 23 03 or their own version in the past five years.
- Progressive GroupUses CA 23 03 in 2 filings
- Travelers GroupUses CA 23 03 in 34 filings
See more forms
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States
Number of filings that include CA 23 03 in each state, Oct 2021 to Aug 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CA 99 23Rental Reimbursement Coverage226 filings
- CA 99 33Employees as Insureds226 filings
- CA 99 44Loss Payable Clause224 filings
- CA 99 47Employee as Lessor222 filings
- CA 20 48Designated Insured for Covered Autos Liability Coverage217 filings
- CA 04 45Golf Carts and Low- Speed Vehicles214 filings
- CA 20 27Registration Plates Not Issued for a Specific Auto213 filings
- CA 99 30Tapes, Records and Discs Coverage213 filings
- CA 99 16Hired Autos Specified as Covered Autos You Own211 filings
- CA 02 40Suspension of Insurance210 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Aug 28, 2026 | Jet Insurance Company | SC | 10 13 | MRTN-134878222 |
| Jul 8, 2026 | Colorado Farm Bureau Insurance Company | CO | 10 13 | SFBC-135011078 |
| Jun 26, 2026 | Grange Insurance Association | CO | 10 13 | GRIA-135000193 |
| Jun 25, 2026 | Selective Insurance Company of Americaand 3 more | CO | 10 13 | SELC-134998854 |
| Jun 24, 2026 | Great American Alliance Insurance Companyand 3 more | CO | 10 13 | GACX-134993563 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 10 13 | UNFG-134905846 |
| Jun 18, 2026 | Atlantic Specialty Insurance Company | SC | 10 13 | BEAC-134983501 |
| Jun 18, 2026 | Sompo America Fire and Marine Insurance Companyand 1 more | CO | 10 13 | SMPJ-134972831 |
| Jun 17, 2026 | Society Insurance, a mutual company | CO | 10 13 | SCTY-134960697 |
| Jun 17, 2026 | State Automobile Mutual Insurance Company | CO | 10 13 | STAT-134983292 |
| Jun 17, 2026 | State Automobile Mutual Insurance Company | CO | 10 13 | STAT-134983865 |
| Jun 9, 2026 | General Security National Insurance Company | CO | 10 13 | PERR-134978283 |
Most filed ISO CA forms
- CA DS 03 Business Auto Declarations
- CA DS 21 Motor Carrier Declarations
- CA 00 01 Business Auto Coverage Form
- CA 28 03 Abuse Or Molestation Exclusion For Covered Autos Liability Exposure
- CA 23 17 Truckers - Uniform Intermodal Interchange Endorsement Form UIIE - 1
- CA 04 43 Waiver Of Transfer Of Rights Of Recovery Against Others To Us (Waiver Of Subrogation) - Automatic When Required By Written Contract Or Agreement
- CA 04 44 Waiver Of Transfer Of Rights Of Recovery Against Others To Us (Waiver Of Subrogation)
- CA 04 49 Primary and Noncontributory - Other Insurance Condition
- CA 20 01 Lessor - Additional Insured And Loss Payee
- CA 20 48 Designated Insured For Covered Autos Liability Coverage
- CA 00 20 Motor Carrier Coverage Form
- CA 20 71 Auto Loan/Lease Gap Coverage
See more carrier forms
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