Coverage description
An Insurance Services Office (ISO) standard form. It makes your employees insureds while using a covered auto that you don't own, hire or borrow, in your business or your personal affairs.
How the form has changed
The 10 13 edition updates the coverage forms it applies to, renames the liability coverage and changes 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 | 356 | 137 | 46 | Nov 2021 to Sep 2026 |
| 02 99Feb 1999 | 10 | 9 | 7 | Jun 2022 to Jan 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 12 93.
Where filings record what this form replaced, they name earlier edition 02 99. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 59 companies filed the 10 13 edition and 1 company filed 02 99.
- CA 20 48 (Designated Insured for Covered Autos Liability Coverage) is filed alongside it most often, in 314 of the same filings (86%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Sep 2026, excluding withdrawn and rejected filings.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 33, out of 66 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 Insurance Company | 49 | 35 | 10 1302 99 | Sep 21, 2026 |
| Clear Blue Financial Group2 group companies filed it, led by Clear Blue Insurance Company and Rock Ridge Insurance Company | 39 | 35 | 10 13 | Jun 17, 2026 |
| OBS Holdings Group2 group companies filed it, led by Obsidian Insurance Company and Obsidian Pacific Insurance Company | 38 | 36 | 10 13 | Apr 17, 2023 |
| 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 |
| Berkshire Hathaway Group11 group companies filed it, led by Berkshire Hathaway Homestate Insurance Company and Berkshire Hathaway Direct Insurance Company | 17 | 14 | 10 13 | Jun 30, 2025 |
| 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 |
| Liberty Mutual Group2 group companies filed it, led by State Automobile Mutual Insurance Company and General Insurance Company of America | 11 | 2 | 10 13 | Jun 17, 2026 |
| Scor GroupGeneral Security National Insurance Company | 10 | 1 | 10 13 | Jun 9, 2026 |
How the largest insurers handle CA 99 33
Groups among the largest commercial auto insurers that filed CA 99 33 or their own version in the past five years.
- Progressive GroupUses CA 99 33 in 2 filings
- Travelers GroupUses CA 99 33 in 64 filings
- Berkshire Hathaway GroupUses CA 99 33 in 16 filings
- Liberty Mutual GroupUses CA 99 33 in 1 filing
See more forms
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States
Number of filings that include CA 99 33 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 48Designated Insured for Covered Autos Liability Coverage314 filings
- IL 00 21Nuclear Energy Liability Exclusion Endorsement (Broad Form)310 filings
- CA 99 16Hired Autos Specified as Covered Autos You Own297 filings
- CA 99 30Tapes, Records and Discs Coverage291 filings
- CA 23 05Wrong Delivery of Liquid Products290 filings
- CA 99 10Drive Other Car Coverage - Broadened Coverage for Named Individuals289 filings
- CA 04 44Waiver of Transfer of Rights of Recovery Against Others to Us (Waiver of Subrogation)288 filings
- CA 20 55Fellow Employee Coverage282 filings
- CA 20 01Lessor – Additional Insured and Loss Payee280 filings
- CA 04 49Primary and Noncontributory – Other Insurance Condition275 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Sep 21, 2026 | The Cincinnati Casualty Companyand 2 more | NV | 10 13 | CNNA-135046178 |
| Aug 28, 2026 | Jet Insurance Company | SC | 10 13 | MRTN-134878222 |
| Jul 8, 2026 | The Cincinnati Casualty Companyand 2 more | SD | 10 13 | CNNA-134986113 |
| Jul 8, 2026 | Colorado Farm Bureau Insurance Company | CO | 10 13 | SFBC-135011078 |
| Jul 2, 2026 | The Cincinnati Casualty Companyand 2 more | WY | 10 13 | CNNA-134975302 |
| Jun 30, 2026 | Accredited Surety and Casualty Company, Inc. | CO | 10 13 | ACSA-135005169 |
| 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 |
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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