Coverage description
An Insurance Services Office (ISO) standard form. It makes anyone volunteering services to you an insured while using a covered auto you don't own, hire or borrow to transport your clients or others for your business, and also covers whoever furnishes that auto.
How the form has changed
The 10 13 edition updates the coverage forms it applies to 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 | 80 | 72 | 21 | Nov 2021 to Sep 2026 |
| 12 93Dec 1993 | 9 | 8 | 6 | Jun 2022 to Jul 2025 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 11 20.
Where filings record what this form replaced, they name earlier edition 10 13 and other forms NA. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 14 companies filed the 10 13 edition.
- CA 20 15 (Mobile Equipment) is filed alongside it most often, in 87 of the same filings (97%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Sep 2026, excluding withdrawn and rejected filings.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 99 34, out of 30 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by U.S. Specialty Insurance Company and Safety National Casualty Corporation | 16 | 16 | 10 13 | Jun 30, 2023 |
| Nationwide Corporation Group10 group companies filed it, led by Allied Insurance Company of America and Nationwide Mutual Insurance Company | 14 | 6 | 10 13 | Jun 25, 2025 |
| OLD Republic Group2 group companies filed it, led by Old Republic General Insurance Corporation and Old Republic Insurance Company | 7 | 1 | 10 13 | Jun 30, 2025 |
| Alliance Insurance GroupFarmers Alliance Mutual Insurance Company | 6 | 1 | 10 13 | May 19, 2026 |
| Arch Insurance GroupArch Insurance Company | 5 | 2 | 10 13 | Apr 8, 2026 |
| Liberty Mutual GroupState Automobile Mutual Insurance Company | 5 | 1 | 10 13 | Jun 17, 2026 |
| QBE Insurance Group2 group companies filed it, led by General Casualty Company of Wisconsin and Regent Insurance Company | 4 | 1 | 12 93 | Jun 23, 2025 |
| Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company | 3 | 2 | 10 13 | Jun 30, 2023 |
| Sentry Insurance Group3 group companies filed it, led by Middlesex Insurance Company and Sentry Insurance a Mutual Company | 3 | 1 | 10 13 | Feb 28, 2023 |
| Berkshire Hathaway Group6 group companies filed it, led by GEICO Casualty Company and GEICO Choice Insurance Company | 2 | 1 | 10 13 | Jun 30, 2023 |
How the largest insurers handle CA 99 34
Groups among the largest commercial auto insurers that filed CA 99 34 or their own version in the past five years.
- Travelers GroupUses CA 99 34 in 65 filings
See more forms
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States
Number of filings that include CA 99 34 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 20 15Mobile Equipment87 filings
- CA 00 01Business Auto Coverage Form85 filings
- CA 20 01Lessor - Additional Insured And Loss Payee81 filings
- CA 20 54Employee Hired Autos77 filings
- CA 20 06Driving Schools - Non- Owned Autos72 filings
- CA 20 19Repossessed Autos72 filings
- CA 23 24Agricultural Produce Trailers - Seasonal72 filings
- CA 20 33Autos Leased, Hired, Rented Or Borrowed With Drivers - Physical Damage Coverage70 filings
- CA 20 70Coverage for Certain Operations in Connection with Railroads70 filings
- CA 99 23Rental Reimbursement Coverage70 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 | 10 13 | SEIC-135044227 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 10 13 | UNFG-134905846 |
| Jun 17, 2026 | State Automobile Mutual Insurance Company | CO | 10 13 | STAT-134983865 |
| May 19, 2026 | Farmers Alliance Mutual Insurance Company | CO | 10 13 | FAMI-134934257 |
| Apr 8, 2026 | Arch Insurance Company | CO | 10 13 | AICO-G134902561 |
| Apr 8, 2026 | Arch Insurance Company | CO | 10 13 | AICO-G134902666 |
| Dec 1, 2025 | Farmington Casualty Companyand 6 more | WA | 10 13 | TRVD-134662464 |
| Jul 23, 2025 | MAIPF | MI | 12 93 | MAIP-134614987 |
| Jul 16, 2025 | RLI Insurance Company | CO | 10 13 | RLSC-134607215 |
| Jun 30, 2025 | Old Republic General Insurance Corporation | CO | 10 13 | LDDX-134588373 |
| Jun 30, 2025 | Old Republic Insurance Company | CO | 10 13 | LDDX-134589601 |
| Jun 30, 2025 | State Automobile Mutual Insurance Company | CO | 10 13 | STAT-134561327 |
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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