Coverage description
An Insurance Services Office (ISO) standard form. It excludes bodily injury or property damage from delivering a liquid into the wrong receptacle or to the wrong address, or delivering one liquid for another, if the injury or damage happens after delivery is completed.
How the form has changed
The 10 13 edition updates the coverage forms it applies to and renames Liability Coverage to Covered Autos Liability Coverage. The exclusion is the same as 12 93.
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 | 320 | 126 | 45 | Nov 2021 to Aug 2026 |
| 12 93Dec 1993 | 9 | 8 | 6 | Jun 2022 to Jan 2026 |
Where filings record what this form replaced, they name earlier edition 12 93. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 51 companies filed the 10 13 edition and 1 company filed 12 93.
- CA 20 48 (Designated Insured for Covered Autos Liability Coverage) is filed alongside it most often, in 309 of the same filings (94%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 05, out of 64 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Clear Blue Financial Group2 group companies filed it, led by Clear Blue Insurance Company and Rock Ridge Insurance Company | 38 | 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 |
| Berkshire Hathaway Group15 group companies filed it, led by National Liability and Fire Insurance Company and Berkshire Hathaway Homestate Insurance Company | 36 | 24 | 10 13 | Jun 24, 2026 |
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 19 | 16 | 10 1312 93 | Jul 12, 2024 |
| 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 |
| Liberty Mutual GroupState Automobile Mutual Insurance Company | 10 | 1 | 10 13 | Jun 17, 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 |
How the largest insurers handle CA 23 05
Groups among the largest commercial auto insurers that filed CA 23 05 or their own version in the past five years.
- Progressive GroupUses CA 23 05 in 2 filings
- Travelers GroupUses CA 23 05 in 65 filings
- Berkshire Hathaway GroupUses CA 23 05 in 32 filings
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States
Number of filings that include CA 23 05 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 Coverage309 filings
- CA 99 33Employees as Insureds290 filings
- CA 99 10Drive Other Car Coverage – Broadened Coverage for Named Individuals285 filings
- CA 99 16Hired Autos Specified as Covered Autos You Own279 filings
- CA 04 49Primary and Noncontributory – Other Insurance Condition271 filings
- CA 04 44Waiver of Transfer of Rights of Recovery Against Others to Us (Waiver of Subrogation)269 filings
- CA 99 30Tapes, Records and Discs Coverage265 filings
- CA 99 48Pollution Liability – Broadened Coverage for Covered Autos – Business Auto and Motor Carrier Coverage Forms262 filings
- CA 20 01Lessor – Additional Insured and Loss Payee257 filings
- IL 00 21Nuclear Energy Liability Exclusion Endorsement254 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 |
| Jul 8, 2026 | Colorado Farm Bureau Insurance Company | CO | 10 13 | SFBC-135011078 |
| 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 24, 2026 | National Indemnity Companyand 1 more | VA | 10 13 | NTIN-134833875 |
| 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-134983292 |
| Jun 17, 2026 | State Automobile Mutual Insurance Company | CO | 10 13 | STAT-134983865 |
| Jun 17, 2026 | Clear Blue Insurance Company | MA | 10 13 | WESA-134946941 |
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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