Coverage description
An Insurance Services Office (ISO) standard form. It removes the two exceptions in the definition of insured contract for construction or demolition work within 50 feet of a railroad, for use of a covered auto in operations for or affecting a railroad scheduled at a designated job site.
How the form has changed
The 10 13 edition updates the coverage forms it applies to and the schedule layout. The coverage wording is the same as 10 01.
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 | 215 | 114 | 33 | Nov 2021 to Aug 2026 |
| 10 01Oct 2001 | 8 | 7 | 5 | Jun 2022 to Jun 2025 |
What the filings show
- Edition in use: in the past 12 months, 47 companies filed the 10 13 edition.
- CA 20 48 (Designated Insured for Covered Autos Liability Coverage) is filed alongside it most often, in 218 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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 20 70, out of 54 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 1310 01 | 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 | 16 | 7 | 10 13 | Apr 7, 2026 |
| 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 |
| Scor GroupGeneral Security National Insurance Company | 10 | 1 | 10 13 | Jun 9, 2026 |
| Berkshire Hathaway Group9 group companies filed it, led by National Liability and Fire Insurance Company and National Indemnity Company | 9 | 8 | 10 13 | Jun 12, 2024 |
| MS & AD Insurance Group3 group companies filed it, led by Mitsui Sumitomo Insurance Company of America and Transverse Insurance Company | 9 | 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 |
| Ambac Financial GroupEverspan Insurance Company | 6 | 4 | 10 13 | Apr 28, 2025 |
How the largest insurers handle CA 20 70
Groups among the largest commercial auto insurers that filed CA 20 70 or their own version in the past five years.
- Progressive GroupUses CA 20 70 in 2 filings
- Travelers GroupUses CA 20 70 in 65 filings
- Berkshire Hathaway GroupUses CA 20 70 in 7 filings
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States
Number of filings that include CA 20 70 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 20 48Designated Insured for Covered Autos Liability Coverage218 filings
- CA 20 27Registration Plates Not Issued for a Specific Auto213 filings
- CA 99 44Loss Payable Clause213 filings
- CA 99 23Rental Reimbursement Coverage212 filings
- CA 24 02Public Transportation Autos207 filings
- CA 99 33Employees as Insureds207 filings
- CA 99 47Employee as Lessor206 filings
- CA 04 45Golf Carts and Low- Speed Vehicles205 filings
- CA 99 40Exclusion or Excess Coverage Hazards Otherwise Insured205 filings
- CA 02 40Suspension of Insurance204 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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