Coverage description
An Insurance Services Office (ISO) standard form. It applies separate fixed dollar deductibles to each location or building shown in the schedule, applying the deductible separately at each location damaged in one occurrence, with an optional maximum deductible per occurrence.
How the form has changed
2 changes across 1 revision, newest first. Each edition is compared with the one before it, using wording from filed copies.
05 27 edition
May 2027, compared with 04 18Latest editionA maximum deductible per occurrence can now be shown in the schedule, capping the total deducted when one occurrence damages several locations.
04 18
Not in this edition
05 27
“the Maximum Deductible is the most that will be deducted for all loss or damage in any one occurrence”
The endorsement now steps aside for causes of loss covered under the multiple percentage or multiple deductibles by occurrence endorsements and for added causes of loss with their own deductible, replacing the carve-out for windstorm or hail percentage and hurricane deductibles.
04 18
“Windstorm Or Hail Percentage Deductible or Hurricane (or Named Storm) Deductible provided elsewhere in this policy”
05 27
“Multiple Percentage And Fixed Dollar Amount Deductibles or Multiple Deductibles By Occurrence (Fixed Dollar Amount Deductibles) endorsements”
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 05 27May 2027Latest | 22 | 2 | 22 | Mar 2026 to Aug 2026 |
| 04 18Apr 2018 | 78 | 46 | 23 | Nov 2021 to Jul 2026 |
| 10 12Oct 2012 | 6 | 8 | 4 | Dec 2022 to Apr 2025 |
Where filings record what this form replaced, they name earlier edition 10 12. Only some filings record replacements.
What the filings show
- Edition in use: in the past 12 months, 5 companies filed the 04 18 edition and 2 companies filed 05 27.
- CP 03 20 (Multiple Deductible Form) is filed alongside it most often, in 97 of the same filings (92%).
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 CP 03 29, out of 29 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 21 | 21 | 05 27 | Aug 5, 2026 |
| Grange Mutual CAS Group6 group companies filed it, led by Grange Indemnity Insurance Company and Grange Insurance Company | 10 | 9 | 04 18 | Apr 11, 2024 |
| Ohio Mutual GroupUnited Ohio Insurance Company | 8 | 7 | 04 18 | Sep 20, 2024 |
| Hastings Mutual Insurance Company | 6 | 5 | 04 18 | Mar 13, 2025 |
| Nationwide Corporation Group7 group companies filed it, led by Allied Insurance Company of America and Nationwide Property and Casualty Insurance Company | 6 | 3 | 04 18 | Mar 11, 2022 |
| Trisura GroupTrisura Insurance Company | 6 | 4 | 04 18 | Jul 10, 2026 |
| WCF Mutual Insurance Company Group2 group companies filed it, led by Associated Indemnity Corporation and WCF National Insurance Company | 5 | 3 | 04 18 | Mar 26, 2024 |
| ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company | 4 | 2 | 04 18 | Mar 21, 2025 |
| Amtrust Financial Services Group9 group companies filed it, led by CorePointe Insurance Company and First Nonprofit Insurance Company | 4 | 1 | 04 1810 12 | Feb 8, 2023 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 4 | 2 | 04 18 | Sep 20, 2023 |
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States
Number of filings that include CP 03 29 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.
- CP 03 20Multiple Deductible Form97 filings
- CP 10 38Discharge From Sewer, Drain or Sump (Not Flood- Related)78 filings
- CP 10 30Causes of Loss - Special Form70 filings
- CP 12 11Burglary and Robbery Protective Safeguards69 filings
- CP 04 11Protective Safeguards68 filings
- CP 15 45Utility Services - Time Element68 filings
- CP 03 21Windstorm Or Hail Percentage Deductible67 filings
- CP 15 31Ordinance or Law - Increased Period of Restoration67 filings
- CP 00 10Building and Personal Property Coverage Form61 filings
- CP 10 33Theft Exclusion61 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Aug 28, 2026 | Idaho Surveying and Rating Bureau, Inc. | ID | 05 27 | ISRB-135069700 |
| Aug 5, 2026 | Insurance Services Office, Inc. | GA | 05 27 | ISOF-135041740 |
| Aug 4, 2026 | Insurance Services Office, Inc. | PA | 05 27 | ISOF-135042310 |
| Aug 4, 2026 | Insurance Services Office, Inc. | VA | 05 27 | ISOF-135042311 |
| Jul 23, 2026 | Insurance Services Office, Inc. | TX | 05 27 | ISOF-135020902 |
| Jul 17, 2026 | Mississippi Farm Bureau Casualty Insurance Company | MS | 04 18 | SFBC-134997156 |
| Jul 10, 2026 | Trisura Insurance Company | WA | 04 18 | SHNF-134976660 |
| Jul 1, 2026 | Insurance Services Office, Inc. | MD | 05 27 | ISOF-135005339 |
| Jun 30, 2026 | Insurance Services Office, Inc. | ME | 05 27 | ISOF-135004700 |
| Jun 30, 2026 | Insurance Services Office, Inc. | SC | 05 27 | ISOF-135004703 |
| Jun 30, 2026 | Trisura Insurance Company | IL | 04 18 | SHNF-134983369 |
| Jun 18, 2026 | Insurance Services Office, Inc. | CT | 05 27 | ISOF-134963242 |
Most filed ISO CP forms
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- CP 12 18 Loss Payable Provisions
- CP 04 11 Protective Safeguards
- CP DS 00 Commercial Property Coverage Part Declarations Page
- CP 10 30 Causes of Loss - Special Form
- CP 03 20 Multiple Deductible Form
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