Coverage description
An Insurance Services Office (ISO) standard form. It excludes injury, damage, loss or expense caused by terrorism carried out with nuclear, radioactive, biological or chemical materials, or where releasing such materials appears to be one purpose of the terrorism.
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 as 01 06.
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 | 153 | 85 | 13 | Mar 2022 to Sep 2026 |
| 01 06Jan 2006 | 3 | 5 | 3 | Jan 2022 to Jan 2025 |
Where filings record what this form replaced, they name earlier edition 10 13. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 43 companies filed the 10 13 edition.
- CA 23 84 (Exclusion of Terrorism) is filed alongside it most often, in 155 of the same filings (99%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Sep 2026, excluding withdrawn and rejected filings.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 23 85, out of 48 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| 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 GEICO General Insurance Company and GEICO Casualty Company | 9 | 5 | 10 13 | Jul 9, 2026 |
| Ambac Financial GroupEverspan Insurance Company | 7 | 5 | 10 13 | Apr 28, 2025 |
| MS & AD Insurance Group3 group companies filed it, led by Mitsui Sumitomo Insurance Company of America and Mitsui Sumitomo Insurance USA Inc. | 7 | 4 | 10 13 | Sep 4, 2025 |
| Clear Blue Financial Group2 group companies filed it, led by Clear Blue Insurance Company and Rock Ridge Insurance Company | 6 | 4 | 10 13 | Oct 29, 2025 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 6 | 2 | 10 13 | Feb 17, 2026 |
| Alliance Insurance GroupFarmers Alliance Mutual Insurance Company | 5 | 1 | 10 13 | May 19, 2026 |
| Liberty Mutual GroupState Automobile Mutual Insurance Company | 5 | 1 | 10 13 | Jun 17, 2026 |
How the largest insurers handle CA 23 85
Groups among the largest commercial auto insurers that filed CA 23 85 or their own version in the past five years.
- Travelers GroupUses CA 23 85 in 29 filings
- Berkshire Hathaway GroupUses CA 23 85 in 3 filings
See more forms
Search related forms, compare editions, and research carrier filings with FilingFocus.
States
Number of filings that include CA 23 85 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 23 84Exclusion of Terrorism155 filings
- CA 20 48Designated Insured for Covered Autos Liability Coverage148 filings
- CA 23 94Silica or Silica- Related Dust Exclusion for Covered Autos Exposure147 filings
- CA 99 44Loss Payable Clause145 filings
- CA 04 44Waiver of Transfer of Rights of Recovery Against Others to Us (Waiver of Subrogation)143 filings
- CA 23 01Explosives142 filings
- CA 02 38Reinstatement of Insurance141 filings
- CA 02 40Suspension of Insurance138 filings
- CA 23 98Trailer Interchange Coverage138 filings
- CA 20 18Professional Services Not Covered137 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Sep 4, 2026 | Incline Casualty Company | SC | 10 13 | AIAD-135047572 |
| Aug 28, 2026 | Jet Insurance Company | SC | 10 13 | MRTN-134878222 |
| Jul 9, 2026 | GEICO County Mutual Insurance Company | TX | 10 13 | GECC-135011334 |
| Jul 6, 2026 | GEICO Advantage Insurance Companyand 7 more | CO | 10 13 | GECC-135002717 |
| Jun 30, 2026 | Accredited Surety and Casualty Company, Inc. | CO | 10 13 | ACSA-135005169 |
| 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 9, 2026 | General Security National Insurance Company | CO | 10 13 | PERR-134978283 |
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
Search forms by carrier, line of business, state, and wording with FilingFocus.