Coverage description
An Insurance Services Office (ISO) standard form. It makes autos you don't own covered autos while used for driver training, and limits who is an insured for them to you, your driving instructors and student drivers being instructed.
How the form has changed
The 10 13 and 11 20 editions rename the liability coverage, update the schedule layout and change 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 |
|---|---|---|---|---|
| 11 20Nov 2020Latest | 156 | 109 | 21 | Nov 2021 to Sep 2026 |
| 10 13Oct 2013 | 71 | 45 | 30 | Dec 2021 to Jun 2026 |
| 03 10Mar 2010 | 8 | 6 | 4 | Jun 2022 to Mar 2026 |
| 12 93Dec 1993 | 6 | 5 | 4 | Jun 2022 to Jan 2025 |
Where filings record what this form replaced, they name earlier editions 10 13, 12 93. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 36 companies filed the 11 20 edition and 13 companies filed 10 13.
- CA 00 01 (Business Auto Coverage Form) is filed alongside it most often, in 227 of the same filings (95%).
Filed under
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Sep 2026, excluding withdrawn and rejected filings.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 06, out of 56 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Nationwide Corporation Group13 group companies filed it, led by Allied Insurance Company of America and Nationwide Mutual Insurance Company | 32 | 9 | 11 2010 13 | Apr 7, 2026 |
| Berkshire Hathaway Group15 group companies filed it, led by National Liability and Fire Insurance Company and National Indemnity Company | 31 | 24 | 10 1303 1011 20 | Jun 24, 2026 |
| Arch Insurance Group3 group companies filed it, led by Arch Insurance Company and Arch Indemnity Insurance Company | 13 | 2 | 11 20 | Apr 8, 2026 |
| OLD Republic Group4 group companies filed it, led by BITCO General Insurance Corporation and BITCO National Insurance Company | 13 | 1 | 11 20 | May 11, 2026 |
| AIPSOAdvisory Organization | 10 | 10 | 11 20 | Dec 15, 2021 |
| Scor GroupGeneral Security National Insurance Company | 10 | 1 | 11 20 | Jun 9, 2026 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company | 9 | 5 | 11 2010 13 | Aug 27, 2026 |
| Clear Blue Financial Group2 group companies filed it, led by Clear Blue Insurance Company and Rock Ridge Insurance Company | 8 | 2 | 11 20 | Oct 29, 2025 |
| Markel Corporation Group3 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company | 8 | 4 | 11 2010 13 | Jun 24, 2024 |
| Grange Mutual CAS Group3 group companies filed it, led by Grange Indemnity Insurance Company and Grange Insurance Company | 7 | 7 | 10 13 | Apr 2, 2024 |
How the largest insurers handle CA 20 06
Groups among the largest commercial auto insurers that filed CA 20 06 or their own version in the past five years.
- Travelers GroupUses CA 20 06 in 65 filings
- Berkshire Hathaway GroupUses CA 20 06 in 25 filings
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States
Number of filings that include CA 20 06 in each state, Oct 2021 to Sep 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CA 00 01Business Auto Coverage Form227 filings
- CA 23 17Truckers - Uniform Intermodal Interchange Endorsement Form Uiie - 1227 filings
- CA 20 15Mobile Equipment212 filings
- CA 20 01Lessor - Additional Insured and Loss Payee194 filings
- CA 20 54Employee Hired Autos190 filings
- CA 20 33Autos Leased, Hired, Rented or Borrowed with Drivers - Physical Damage Coverage185 filings
- CA 20 71Auto Loan/Lease Gap Coverage184 filings
- CA 20 19Repossessed Autos180 filings
- CA 23 24Agricultural Produce Trailers - Seasonal179 filings
- CA 20 78Physical Damage Coverage - Autos Held for Sale by Non-Dealers178 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Sep 10, 2026 | SECURA Insurance, A Mutual Companyand 1 more | IL | 11 20 | SEIC-135044227 |
| Aug 28, 2026 | Jet Insurance Company | SC | 11 20 | MRTN-134878222 |
| Aug 27, 2026 | Philadelphia Indemnity Insurance Company | NM | 11 20 | PHLX-135063316 |
| Jun 25, 2026 | Selective Insurance Company of Americaand 3 more | CO | 11 20 | SELC-134998854 |
| Jun 24, 2026 | Great American Alliance Insurance Companyand 3 more | CO | 11 20 | GACX-134993563 |
| Jun 24, 2026 | National Indemnity Companyand 1 more | VA | 10 13 | NTIN-134833875 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 11 20 | UNFG-134905846 |
| Jun 18, 2026 | Sompo America Fire and Marine Insurance Companyand 1 more | CO | 11 20 | SMPJ-134972831 |
| Jun 17, 2026 | State Automobile Mutual Insurance Company | CO | 10 13 | STAT-134983865 |
| Jun 16, 2026 | Berkshire Hathaway Homestate Insurance Companyand 1 more | CO | 10 13 | CORN-134988182 |
| Jun 9, 2026 | General Security National Insurance Company | CO | 11 20 | PERR-134978283 |
| Jun 9, 2026 | General Security National Insurance Company | CO | 11 20 | PERR-134978297 |
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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