Coverage description
An Insurance Services Office (ISO) standard form. It excludes auto liability for bodily injury or property damage arising out of the actual or alleged transmission of a communicable disease.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 23Dec 2023Latest | 249 | 119 | 49 | Dec 2022 to Oct 2026 |
What the filings show
- Edition in use: in the past 12 months, 46 companies filed the 12 23 edition.
- CA 28 03 (Abuse or Molestation Exclusion for Covered Autos Liability Exposure) is filed alongside it most often, in 177 of the same filings (71%).
Filed under
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 04 55, out of 43 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 43 | 41 | 12 23 | Nov 3, 2023 |
| Berkshire Hathaway Group12 group companies filed it, led by GEICO General Insurance Company and National Liability and Fire Insurance Company | 33 | 22 | 12 23 | Jul 9, 2026 |
| AIPSOAdvisory Organization | 30 | 30 | 12 23 | Apr 24, 2025 |
| Nationwide Corporation Group10 group companies filed it, led by Nationwide Agribusiness Insurance Company and Crestbrook Insurance Company | 28 | 15 | 12 23 | Apr 7, 2026 |
| Grange Mutual CAS Group7 group companies filed it, led by Grange Indemnity Insurance Company and Grange Insurance Company | 19 | 9 | 12 23 | Oct 23, 2026 |
| Arch Insurance Group3 group companies filed it, led by Arch Indemnity Insurance Company and Arch Insurance Company | 13 | 1 | 12 23 | Apr 8, 2026 |
| OLD Republic Group4 group companies filed it, led by BITCO General Insurance Corporation and BITCO National Insurance Company | 9 | 2 | 12 23 | Aug 14, 2026 |
| Tokio Marine Holdings Incorporated Group3 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company | 8 | 4 | 12 23 | Aug 27, 2026 |
| North Star Company GroupNorth Star Mutual Insurance Company | 6 | 6 | 12 23 | Jun 24, 2024 |
| MS & AD Insurance Group3 group companies filed it, led by Mitsui Sumitomo Insurance Company of America and Mitsui Sumitomo Insurance USA Inc. | 5 | 4 | 12 23 | Jul 8, 2025 |
How the largest insurers handle CA 04 55
Groups among the largest commercial auto insurers that filed CA 04 55 or their own version in the past five years.
- Berkshire Hathaway GroupUses CA 04 55 in 26 filings
- Old Republic GroupUses CA 04 55 in 2 filings
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States
Number of filings that include CA 04 55 in each state, Oct 2021 to Oct 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CA 28 03Abuse or Molestation Exclusion for Covered Autos Liability Exposure177 filings
- CA 04 43Waiver Of Transfer Of Rights Of Recovery Against Others To Us (Waiver Of Subrogation) – Automatic When Required By Written Contract Or Agreement144 filings
- CA 00 20Motor Carrier Coverage Form136 filings
- CA 27 05Unmanned Aircraft Exclusion For General Liability Coverages131 filings
- CA 27 06Unmanned Aircraft Exclusion For General Liability Coverages – (Bodily Injury And Property Damage Liability Only)131 filings
- CA 23 30Motor Carrier Endorsement127 filings
- CA 00 01Business Auto Coverage Form70 filings
- CA 23 45Public or Livery Passenger Conveyance and on- Demand Delivery Services Exclusion68 filings
- CA 20 01Lessor – Additional Insured and Loss Payee65 filings
- CA 20 71Auto Loan/Lease Gap Coverage61 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Oct 23, 2026 | Grange Indemnity Insurance Company | GA | 12 23 | GRAE-135111353 |
| Oct 23, 2026 | Grange Indemnity Insurance Company | TN | 12 23 | GRAE-135121530 |
| Oct 23, 2026 | Grange Indemnity Insurance Company | PA | 12 23 | GRAE-135121759 |
| Oct 23, 2026 | Integrity Property and Casualty Insurance Company | WI | 12 23 | GRAE-135121865 |
| Oct 23, 2026 | Grange Property and Casualty Insurance Company | VA | 12 23 | GRAE-135137433 |
| Sep 10, 2026 | SECURA Insurance, A Mutual Companyand 1 more | IL | 12 23 | SEIC-135044227 |
| Aug 27, 2026 | Philadelphia Indemnity Insurance Company | NM | 12 23 | PHLX-135063316 |
| Aug 14, 2026 | BITCO General Insurance Corporation | CA | 12 23 | LDDX-135054813 |
| Aug 14, 2026 | BITCO National Insurance Company | CA | 12 23 | LDDX-135056337 |
| Jul 9, 2026 | GEICO County Mutual Insurance Company | TX | 12 23 | GECC-135008279 |
| Jul 6, 2026 | GEICO Advantage Insurance Companyand 7 more | CO | 12 23 | GECC-135002717 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 12 23 | UNFG-134905846 |
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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