ISO endorsement ยท commercial property

CP 99 20 Contributing Insurance

Filings
59
latest May 27, 2026
Filing companies
45
25 carrier groups
States
17
Latest edition
06 07
Jun 2007

Coverage description

An Insurance Services Office (ISO) standard form. It limits the insurer's payment for listed property coverages to its stated percentage of any covered loss when several contributing policies insure the same property.

Editions

Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.

EditionFilingsCompaniesStatesFiled
06 07Jun 2007Latest574417Nov 2021 to May 2026

2 other edition dates appear in one or two filings each, often carrier-specific versions: 10 90, 07 88.

What the filings show

  • Edition in use: in the past 12 months, 1 company filed the 06 07 edition.
  • CP 10 52 (Broken or Cracked Glass Exclusion Form) is filed alongside it most often, in 58 of the same filings (98%).

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to May 2026, excluding withdrawn and rejected filings.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 99 20, out of 25 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Nationwide Corporation Group7 group companies filed it, led by Allied Insurance Company of America and Nationwide Mutual Insurance Company7406 0707 88Jun 13, 2022
Hastings Mutual Insurance Company6506 07Mar 13, 2025
WCF Mutual Insurance Company Group2 group companies filed it, led by Associated Indemnity Corporation and WCF National Insurance Company5306 07Mar 26, 2024
ACP Insurance Mgmt LLC GroupAccelerant National Insurance Company4406 07Mar 21, 2025
Siriuspoint GroupSiriusPoint America Insurance Company4206 07Sep 20, 2023
Amtrust Financial Services Group6 group companies filed it, led by CorePointe Insurance Company and First Nonprofit Insurance Company3106 07Feb 8, 2023
Encova Mutual Insurance Group3 group companies filed it, led by Motorists Mutual Insurance Company and Phenix Mutual Fire Insurance Company3206 07Jun 25, 2024
Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company3306 07Mar 2, 2023
WR Berkley Corporation Group2 group companies filed it, led by Intrepid Casualty Company and Intrepid Insurance Company3206 07Feb 9, 2024
Church Mutual GroupChurch Mutual Insurance Company, S.I.2106 07Dec 22, 2022

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States

Number of filings that include CP 99 20 in each state, Oct 2021 to May 2026. Darker states have more filings.

Tennessee: 0 filingsTNAlabama: 0 filingsALFlorida: 0 filingsFLGeorgia: 0 filingsGAOklahoma: 0 filingsOKSouth Carolina: 15 filingsSC15Arkansas: 0 filingsARMissouri: 1 filingMO1Indiana: 1 filingIN1Louisiana: 0 filingsLAOhio: 1 filingOH1Wisconsin: 1 filingWI1Texas: 0 filingsTXKentucky: 0 filingsKYIowa: 1 filingIA1Kansas: 1 filingKS1Mississippi: 0 filingsMSNorth Carolina: 0 filingsNCNebraska: 0 filingsNESouth Dakota: 0 filingsSDMontana: 1 filingMT1New Hampshire: 0 filingsNHVirginia: 0 filingsVAArizona: 0 filingsAZPennsylvania: 0 filingsPARhode Island: 1 filingRI1Michigan: 0 filingsMIAlaska: 0 filingsAKDistrict of Columbia: 0 filingsDCIdaho: 3 filingsID3Maryland: 0 filingsMDWest Virginia: 0 filingsWVUtah: 3 filingsUT3Wyoming: 4 filingsWY4Delaware: 0 filingsDENew Mexico: 0 filingsNMColorado: 0 filingsCOConnecticut: 0 filingsCTMaine: 0 filingsMENorth Dakota: 0 filingsNDIllinois: 5 filingsIL5Minnesota: 0 filingsMNNew Jersey: 0 filingsNJNew York: 0 filingsNYMassachusetts: 0 filingsMAWashington: 2 filingsWA2Oregon: 1 filingOR1Vermont: 0 filingsVTCalifornia: 16 filingsCA16Nevada: 2 filingsNV2Hawaii: 0 filingsHI
FewerMore filingsNone

Often filed with

Standard-style form numbers that appear in the same filings most often.

  • CP 10 52Broken or Cracked Glass Exclusion Form58 filings
  • CP 10 55Vandalism Exclusion58 filings
  • CP 10 56Sprinkler Leakage Exclusion58 filings
  • CP 13 30Agricultural Products Storage58 filings
  • CP 14 40Outdoor Signs58 filings
  • CP 04 01Brands and Labels57 filings
  • CP 15 56Business Income Changes - Beginning of the Period of Restoration57 filings
  • CP 99 92Household Personal Property Coverage56 filings
  • CP 00 18Condominium Commercial Unit- Owners Coverage Form55 filings
  • CP 00 32Business Income (Without Extra Expense) Coverage Form55 filings

Recent filings

Latest filings that include this form number. Filed copies open in FilingFocus.

SubmittedCompanyStateEditionsTracking number
May 27, 2026Alaska National Insurance CompanySC06 07ALNI-134963185
Aug 1, 2025Universal North America Insurance CompanySC06 07UNAC-134614002
May 1, 2025Universal Fire and Casualty Insurance CompanySC06 07UFCI-134516617
Apr 30, 2025Selective Way Insurance CompanyMO06 07SELC-134494115
Apr 30, 2025Universal Fire and Casualty Insurance CompanyIL06 07UFCI-134515065
Apr 17, 2025Spinnaker Insurance CompanySC06 07WOOD-134492939
Mar 21, 2025Accelerant National Insurance CompanyCA06 07SPRO-G134354982
Mar 13, 2025Hastings Mutual Insurance CompanyIL06 07HAST-134127875
Jan 24, 2025Accelerant National Insurance CompanySC06 07SPRO-G134359430
Jan 7, 2025Accelerant National Insurance CompanyKS06 07SPRO-G134206777
Jan 3, 2025Accelerant National Insurance CompanyID06 07SPRO-G134361419
Jun 25, 2024Motorists Mutual Insurance Companyand 2 moreIL06 07MTRS-134079863

Most filed ISO CP forms

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