Coverage description
An Insurance Services Office (ISO) standard form. It covers your legal liability for loss to trailers you don't own and their equipment under trailer interchange agreements, for fire or fire and theft as shown in the schedule, subject to a deductible for each trailer.
How the form has changed
The 10 13 edition removes the Truckers Coverage Form from the forms it applies to. The coverage wording is the same as 03 10.
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 | 157 | 92 | 9 | Feb 2022 to Aug 2026 |
| 03 10Mar 2010 | 7 | 4 | 3 | Jun 2022 to Mar 2026 |
2 other edition dates appear in one or two filings each, often carrier-specific versions: 12 19, 12 93.
What the filings show
- Edition in use: in the past 12 months, 36 companies filed the 10 13 edition and 1 company filed 03 10.
- CA 99 16 (Hired Autos Specified as Covered Autos You Own) is filed alongside it most often, in 162 of the same filings (96%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 13, out of 49 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Arch Insurance Group3 group companies filed it, led by Arch Indemnity Insurance Company and Arch Insurance Company | 14 | 2 | 10 13 | Apr 8, 2026 |
| MS & AD Insurance Group3 group companies filed it, led by Transverse Insurance Company and Mitsui Sumitomo Insurance Company of America | 13 | 6 | 10 13 | Sep 4, 2025 |
| 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 |
| Scor GroupGeneral Security National Insurance Company | 10 | 1 | 10 13 | Jun 9, 2026 |
| 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 |
| Ambac Financial GroupEverspan Insurance Company | 7 | 5 | 10 13 | Apr 28, 2025 |
| Group 1001 Insurance Holdings GroupCLEAR SPRING PROPERTY AND CASUALTY COMPANY | 6 | 2 | 10 13 | Mar 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 6 | 2 | 10 13 | Feb 17, 2026 |
| Alliance Insurance GroupFarmers Alliance Mutual Insurance Company | 5 | 1 | 10 13 | May 19, 2026 |
| Clear Blue Financial Group2 group companies filed it, led by Clear Blue Insurance Company and Rock Ridge Insurance Company | 5 | 3 | 10 13 | Oct 29, 2025 |
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States
Number of filings that include CA 23 13 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 16Hired Autos Specified as Covered Autos You Own162 filings
- CA 99 47Employee as Lessor162 filings
- CA 04 44Waiver of Transfer of Rights of Recovery Against Others to Us (Waiver of Subrogation)160 filings
- CA 23 98Trailer Interchange Coverage160 filings
- CA 99 23Rental Reimbursement Coverage160 filings
- CA 20 48Designated Insured for Covered Autos Liability Coverage159 filings
- CA 23 94Silica or Silica- Related Dust Exclusion for Covered Autos Exposure159 filings
- CA 99 44Loss Payable Clause159 filings
- CA 02 38Reinstatement of Insurance158 filings
- CA 23 05Wrong Delivery of Liquid Products157 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 |
| 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 | State Automobile Mutual Insurance Company | CO | 10 13 | STAT-134983865 |
| Jun 11, 2026 | CopperPoint Casualty Insurance Companyand 1 more | SC | 10 13 | COPP-134982457 |
| Jun 9, 2026 | General Security National Insurance Company | CO | 10 13 | PERR-134978283 |
| Jun 9, 2026 | General Security National Insurance Company | CO | 10 13 | PERR-134978297 |
| Jun 5, 2026 | Incline Casualty Company | SC | 10 13 | MRTN-134969595 |
| May 21, 2026 | Jet Insurance Company | NM | 10 13 | MRTN-134878221 |
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
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