Coverage description
An Insurance Services Office (ISO) standard form. It broadens pollution coverage under covered autos liability: the exclusion for pollutants being transported or handled by a covered auto applies only to liability assumed under a contract, and the care, custody or control exclusion does not apply to that coverage. It also redefines covered pollution cost or expense.
How the form has changed
The 10 13 and 09 27 editions update the coverage forms it applies to, coverage names and how the replaced definition is referenced. 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 |
|---|---|---|---|---|
| 09 27Sep 2027Latest | 25 | 1 | 25 | Aug 2026 to Sep 2026 |
| 10 13Oct 2013 | 297 | 124 | 43 | Nov 2021 to Sep 2026 |
| 03 06Mar 2006 | 9 | 6 | 5 | Jun 2022 to Mar 2026 |
What the filings show
- Edition in use: in the past 12 months, 54 companies filed the 10 13 edition and 2 companies filed 03 06.
- The latest edition, 09 27, has been filed by Insurance Services Office, Inc in 25 states since Aug 20, 2026. No carrier filings list it yet.
- CA 20 48 (Designated Insured for Covered Autos Liability Coverage) is filed alongside it most often, in 282 of the same filings (85%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Sep 2026, excluding withdrawn and rejected filings.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 48, out of 66 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 |
| Insurance Services Office, Inc.Advisory Organization | 25 | 25 | 09 27 | Sep 17, 2026 |
| Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company | 19 | 15 | 10 13 | May 6, 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 |
| Nationwide Corporation Group11 group companies filed it, led by Allied Insurance Company of America and Nationwide Mutual Insurance Company | 14 | 6 | 10 13 | Apr 7, 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 |
| 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 99 48
Groups among the largest commercial auto insurers that filed CA 99 48 or their own version in the past five years.
- Progressive GroupUses CA 99 48 in 2 filings
- Travelers GroupUses CA 99 48 in 63 filings
- Liberty Mutual GroupUses CA 99 48 in 1 filing
See more forms
Search related forms, compare editions, and research carrier filings with FilingFocus.
States
Number of filings that include CA 99 48 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 Coverage282 filings
- CA 99 30Tapes, Records and Discs Coverage281 filings
- CA 99 10Drive Other Car Coverage – Broadened Coverage for Named Individuals279 filings
- CA 99 33Employees as Insureds273 filings
- CA 04 44Waiver of Transfer of Rights of Recovery Against Others to Us (Waiver of Subrogation)270 filings
- CA 99 16Hired Autos Specified as Covered Autos You Own269 filings
- CA 23 05Wrong Delivery of Liquid Products262 filings
- CA 20 55Fellow Employee Coverage256 filings
- CA 04 49Primary and Noncontributory – Other Insurance Condition251 filings
- CA 20 01Lessor – Additional Insured and Loss Payee251 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Sep 17, 2026 | Insurance Services Office, Inc. | CA | 09 27 | ISOF-135093307 |
| Sep 4, 2026 | Incline Casualty Company | SC | 10 13 | AIAD-135047572 |
| Aug 28, 2026 | Jet Insurance Company | SC | 10 13 | MRTN-134878222 |
| Aug 26, 2026 | Insurance Services Office, Inc. | LA | 09 27 | ISOF-135053020 |
| Aug 26, 2026 | Insurance Services Office, Inc. | TX | 09 27 | ISOF-135053045 |
| Aug 25, 2026 | Insurance Services Office, Inc. | OK | 09 27 | ISOF-135053037 |
| Aug 21, 2026 | Insurance Services Office, Inc. | AR | 09 27 | ISOF-135052987 |
| Aug 21, 2026 | Insurance Services Office, Inc. | MS | 09 27 | ISOF-135053025 |
| Aug 21, 2026 | Insurance Services Office, Inc. | NJ | 09 27 | ISOF-135053031 |
| Aug 21, 2026 | Insurance Services Office, Inc. | ND | 09 27 | ISOF-135053035 |
| Aug 20, 2026 | Insurance Services Office, Inc. | AZ | 09 27 | ISOF-135052986 |
| Aug 20, 2026 | Insurance Services Office, Inc. | CT | 09 27 | ISOF-135052989 |
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.