ISO endorsement ยท commercial general liability

CG 24 56 Excess Insurance Provision - Order Of Response - When You Are An Additional Insured On Other Insurance

Filings
120
latest Aug 26, 2026
Filing companies
73
25 carrier groups
States
49
including DC
Latest edition
12 23
Dec 2023

Coverage description

An Insurance Services Office (ISO) standard form. It makes your general liability coverage excess over any other insurance under which you have been added as an additional insured, for both premises and operations and products and completed operations.

Editions

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

EditionFilingsCompaniesStatesFiled
12 23Dec 2023Latest1167249Feb 2023 to Aug 2026

3 other edition dates appear in one or two filings each, often carrier-specific versions: 12 26, 09 24, 12 19.

What the filings show

  • Edition in use: in the past 12 months, 16 companies filed the 12 23 edition.
  • CG 21 06 (Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information) is filed alongside it most often, in 112 of the same filings (93%).

Filed under

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings.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 CG 24 56, out of 25 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Insurance Services Office, Inc.Advisory Organization434312 23Nov 3, 2023
Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company171712 23Aug 26, 2026
Nationwide Corporation Group10 group companies filed it, led by Nationwide Agribusiness Insurance Company and Nationwide General Insurance Company131112 2312 19Aug 28, 2024
Siriuspoint GroupSiriusPoint America Insurance Company5112 23Jun 15, 2026
Southern Trust Insurance Company5312 23Jun 24, 2026
CNA Insurance Group6 group companies filed it, led by American Casualty Company of Reading, Pennsylvania and Continental Casualty Company4212 23Jun 30, 2026
Church Mutual GroupChurch Mutual Insurance Company, S.I.3212 23Jun 26, 2026
Sompo GroupSompo America Insurance Company3112 23Jun 18, 2026
Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation3112 23Feb 17, 2026
American International Group10 group companies filed it, led by AIG Assurance Company and AIG Property Casualty Company2112 23Feb 7, 2024

See more forms

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States

Number of filings that include CG 24 56 in each state, Oct 2021 to Aug 2026. Darker states have more filings.

Tennessee: 5 filingsTN5Alabama: 1 filingAL1Florida: 0 filingsFLGeorgia: 3 filingsGA3Oklahoma: 1 filingOK1South Carolina: 5 filingsSC5Arkansas: 2 filingsAR2Missouri: 3 filingsMO3Indiana: 1 filingIN1Louisiana: 3 filingsLA3Ohio: 1 filingOH1Wisconsin: 1 filingWI1Texas: 2 filingsTX2Kentucky: 1 filingKY1Iowa: 1 filingIA1Kansas: 2 filingsKS2Mississippi: 1 filingMS1North Carolina: 1 filingNC1Nebraska: 2 filingsNE2South Dakota: 1 filingSD1Montana: 2 filingsMT2New Hampshire: 2 filingsNH2Virginia: 3 filingsVA3Arizona: 1 filingAZ1Pennsylvania: 1 filingPA1Rhode Island: 2 filingsRI2Michigan: 1 filingMI1Alaska: 1 filingAK1District of Columbia: 1 filingDC1Idaho: 4 filingsID4Maryland: 3 filingsMD3West Virginia: 1 filingWV1Utah: 2 filingsUT2Wyoming: 4 filingsWY4Delaware: 1 filingDE1New Mexico: 3 filingsNM3Colorado: 23 filingsCO23Connecticut: 2 filingsCT2Maine: 1 filingME1North Dakota: 1 filingND1Illinois: 5 filingsIL5Minnesota: 1 filingMN1New Jersey: 0 filingsNJNew York: 1 filingNY1Massachusetts: 1 filingMA1Washington: 7 filingsWA7Oregon: 2 filingsOR2Vermont: 2 filingsVT2California: 1 filingCA1Nevada: 3 filingsNV3Hawaii: 1 filingHI1
FewerMore filingsNone

Often filed with

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

  • CG 21 06Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information112 filings
  • CG 04 37Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion111 filings
  • CG 21 85Exclusion - Electronic Data - Deletion Of Bodily Injury Exception110 filings
  • CG 21 08Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information (Coverage B Only)108 filings
  • CG 34 98Exclusion - Electronic Data - Deletion Of Bodily Injury Exception108 filings
  • CG 33 63Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information98 filings
  • CG 33 53Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information95 filings
  • CG 40 35Exclusion - Cyber Incident95 filings
  • CG 00 69Exclusion - Violation Of Law Addressing Data Privacy93 filings
  • CG 34 97Exclusion - Cyber Incident92 filings

Recent filings

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

SubmittedCompanyStateEditionsTracking number
Aug 26, 2026The Cincinnati Casualty Companyand 2 moreNV12 23CNNA-134980601
Aug 26, 2026The Cincinnati Casualty Companyand 2 moreID12 23CNNA-134992231
Jun 30, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCO12 23CNAB-135005337
Jun 26, 2026Church Mutual Insurance Company, S.I.CO12 23CHMU-134947220
Jun 24, 2026Southern Trust Insurance CompanyGA12 23STTR-134864949
Jun 18, 2026Sompo America Insurance CompanyCO12 23SMPJ-134985965
Jun 17, 2026Atlantic Specialty Insurance CompanyNM12 23BEAC-134983795
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 23MRTN-134978899
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 23MRTN-134978902
Jun 4, 2026The Cincinnati Casualty Companyand 2 moreRI12 23CNNA-134875418
May 20, 2026The Cincinnati Casualty Companyand 2 moreMD12 23CNNA-134879009
May 13, 2026The Cincinnati Casualty Companyand 2 moreVA12 23CNNA-134896780

Most filed ISO CG forms

All Commercial General Liability (ISO CG) forms

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