Coverage description
An Insurance Services Office (ISO) standard form. Supplementary agreements for a retrospective premium plan that includes claims-made or occurrence CGL policies, setting how extended reporting period charges and claims reported after expiration or for injury before inception are treated in retrospective premium calculations.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 03 87Mar 1987Latest | 61 | 41 | 7 | Nov 2021 to Oct 2026 |
What the filings show
- Edition in use: in the past 12 months, 12 companies filed the 03 87 edition.
- IL 09 11 (Supplement to Retrospective Premium Endorsement (Final Premium Computation)) is filed alongside it most often, in 56 of the same filings (92%).
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Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 IL 09 30, out of 24 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and City National Insurance Company | 10 | 3 | 03 87 | Oct 22, 2026 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 6 | 2 | 03 87 | Jun 15, 2026 |
| Nationwide Corporation Group6 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company | 5 | 2 | 03 87 | Mar 10, 2022 |
| Sompo GroupSompo America Insurance Company | 5 | 1 | 03 87 | Jun 18, 2026 |
| Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation | 5 | 1 | 03 87 | Feb 17, 2026 |
| AU Holding Company GroupContinental Indemnity Company | 3 | 3 | 03 87 | May 3, 2024 |
| American International Group3 group companies filed it, led by Granite State Insurance Company and Illinois National Insurance Co. | 3 | 1 | 03 87 | Sep 15, 2023 |
| Great Plains Casualty, Inc. | 3 | 1 | 03 87 | Mar 20, 2023 |
| Starr Group2 group companies filed it, led by Starr Indemnity and Liability Company and Starr Specialty Insurance Company | 3 | 1 | 03 87 | Jun 25, 2025 |
| Ascot Insurance US Group4 group companies filed it, led by Ascot Insurance Company and AmFed Advantage Insurance Company | 2 | 2 | 03 87 | Jun 29, 2023 |
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States
Number of filings that include IL 09 30 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.
- IL 09 11Supplement to Retrospective Premium Endorsement (Final Premium Computation)56 filings
- IL 09 18Retrospective Premium Endorsement – One Year Plan – Multiple Lines56 filings
- IL 09 19Retrospective Premium Endorsement - Three Year Plan - Multiple Lines56 filings
- IL 09 20Retrospective Premium Endorsement – Long Term Construction Project – Multiple Lines56 filings
- IL 09 21Retrospective Premium Endorsement - Short Form56 filings
- IL 09 22Retrospective Premium Endorsement - Exclusion of Aviation Exposures56 filings
- IL 09 23Retrospective Premium Endorsement - Exclusion of Retrospective Development Factors56 filings
- CG 21 53Exclusion - Designated Ongoing Operations55 filings
- CG 27 02Exclusion of Specific Accidents, Products, Work or Locations (for Use with Cgl Claims- Made Policies)53 filings
- CG 27 05Exclusion of Specific Accidents, Products, Work or Locations (for Use with Products Claims-Made Policies)53 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Oct 22, 2026 | State National Insurance Company, Inc. | CO | 03 87 | STNA-135128706 |
| Jul 2, 2026 | State National Insurance Company, Inc. | CO | 03 87 | STNA-135002472 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 03 87 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 03 87 | BEAC-134983795 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | SC | 03 87 | BEAC-134983796 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 03 87 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 03 87 | MRTN-134978902 |
| Mar 20, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CO | 03 87 | CNAB-134872676 |
| Feb 24, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | SC | 03 87 | CNAB-134851008 |
| Feb 17, 2026 | Safety National Casualty Corporation | CO | 03 87 | SFCC-134814522 |
| Dec 9, 2025 | Universal North America Insurance Company | SC | 03 87 | UNAC-134760136 |
| Jul 2, 2025 | State National Insurance Company, Inc. | CO | 03 87 | STNA-134592066 |
Most filed ISO IL forms
- IL 00 17 Common Policy Conditions
- IL 12 01 Policy Changes
- IL 00 21 Nuclear Energy Liability Exclusion Endorsement (Broad Form)
- IL DS 00 Common Policy Declarations
- IL 09 85 Disclosure Pursuant to Terrorism Risk Insurance Act
- IL 00 03 Calculation of Premium
- IL 09 52 Cap On Losses From Certified Acts Of Terrorism
- IL 09 53 Exclusion of Certified Acts of Terrorism
- IL 09 98 Disclosure of Premium Through End of Year For Certified Acts of Terrorism Coverage (Pursuant to Terrorism Risk Insurance Act)
- IL 09 35 Exclusion of Certain Computer-Related Losses
- IL 09 99 Disclosure of Premium and Estimated Premium for Certified Acts of Terrorism Coverage (Pursuant to Terrorism Risk Insurance Act)
- IL 09 17 Resident Agent Countersignature Endorsement
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