ISO endorsement · homeowners

HO 24 71 Business Pursuits

Filings
105
latest Sep 14, 2026
Filing companies
51
27 carrier groups
States
45
including DC
Latest edition
03 22
Mar 2022

Coverage description

An Insurance Services Office (ISO) standard form. It extends personal liability and medical payments to others to the business pursuits of the scheduled insured, excluding owned businesses, professional services other than teaching, and for teachers, certain vehicle claims and corporal punishment unless covered.

How the form has changed

3 changes across 1 revision, newest first. Each edition is compared with the one before it, using wording from filed copies.

  1. 10 00 edition

    Oct 2000, compared with 04 91
    • The exclusion for teachers now also reaches ownership, occupancy and operation of the listed vehicles and failure to supervise or negligent supervision.

      04 91

      Not in this edition

      10 00

      “the failure to supervise or negligent supervision”

    • Hovercraft are added to the excluded vehicles, and motor vehicles now follow the policy definition.

      04 91

      “Motor vehicles or all other motorized land conveyances”

      10 00

      “(3) Hovercraft;”

    • When corporal punishment is covered, the exception now applies to the whole corporal punishment exclusion rather than only under personal liability.

      04 91

      “this exclusion does not apply under Coverage E - Personal Liability if liability”

      10 00

      Removed

Editions

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

EditionFilingsCompaniesStatesFiled
03 22Mar 2022Latest631642Jan 2022 to Aug 2026
10 00Oct 2000242718Jan 2022 to Sep 2026
04 91Apr 1991685Mar 2022 to Aug 2025

Filed by one company only: 08 05 (Westfield Group, 7 filings).

5 other edition dates appear in one or two filings each, often carrier-specific versions: 06 23, 08 04, 12 97, 05 94, 08/01/05.

Where filings record what this form replaced, they name other forms F-309A/B, HD0017, ML-71. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 5 companies filed the 03 22 edition and 4 companies filed 10 00.
  • The 08 05 edition appears only in filings from Westfield Group (7 filings in 7 states since Oct 23, 2023), which suggests a carrier-specific version.
  • HO 04 10 (Additional Interests - Residence Premises) is filed alongside it most often, in 101 of the same filings (96%).

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 HO 24 71, out of 27 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Armed Forces Insurance Exchange333303 2204 9106 23Aug 27, 2026
Insurance Services Office, Inc.Advisory Organization9903 22Dec 4, 2024
Westfield GroupOld Guard Insurance Company9908 0508/01/05May 29, 2026
Acuity, A Mutual Insurance Company8803 22Jul 2, 2026
American Family Insurance Group7 group companies filed it, led by Grain Dealers Mutual Insurance Company and Homesite Insurance Company of the Midwest8403 2204 9110 00Jun 23, 2025
Encova Mutual Insurance Group3 group companies filed it, led by Motorists Mutual Insurance Company and MICO6610 00Apr 24, 2023
THE Hanover Insurance Group3 group companies filed it, led by Massachusetts Bay Insurance Company and The Hanover Insurance Company5310 0004 91Feb 3, 2026
Liberty Mutual Group6 group companies filed it, led by American Fire and Casualty Company and Liberty Mutual Fire Insurance Company3204 9110 00Aug 26, 2025
NEW London Cnty Group3 group companies filed it, led by New London County Mutual Insurance Co. and Danbury Insurance Company3303 22Apr 17, 2026
Midwest Family GroupMidwest Family Mutual Insurance Company2210 00Jul 25, 2022

How the largest insurers handle HO 24 71

Groups among the largest homeowners insurers that filed HO 24 71 or their own version in the past five years.

See more forms

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States

Number of filings that include HO 24 71 in each state, Oct 2021 to Sep 2026. Darker states have more filings.

Tennessee: 4 filingsTN4Alabama: 0 filingsALFlorida: 0 filingsFLGeorgia: 1 filingGA1Oklahoma: 1 filingOK1South Carolina: 2 filingsSC2Arkansas: 1 filingAR1Missouri: 2 filingsMO2Indiana: 4 filingsIN4Louisiana: 2 filingsLA2Ohio: 6 filingsOH6Wisconsin: 4 filingsWI4Texas: 1 filingTX1Kentucky: 2 filingsKY2Iowa: 2 filingsIA2Kansas: 2 filingsKS2Mississippi: 1 filingMS1North Carolina: 0 filingsNCNebraska: 1 filingNE1South Dakota: 1 filingSD1Montana: 3 filingsMT3New Hampshire: 2 filingsNH2Virginia: 12 filingsVA12Arizona: 1 filingAZ1Pennsylvania: 3 filingsPA3Rhode Island: 3 filingsRI3Michigan: 2 filingsMI2Alaska: 1 filingAK1District of Columbia: 1 filingDC1Idaho: 2 filingsID2Maryland: 3 filingsMD3West Virginia: 3 filingsWV3Utah: 1 filingUT1Wyoming: 1 filingWY1Delaware: 1 filingDE1New Mexico: 2 filingsNM2Colorado: 0 filingsCOConnecticut: 3 filingsCT3Maine: 2 filingsME2North Dakota: 1 filingND1Illinois: 3 filingsIL3Minnesota: 2 filingsMN2New Jersey: 2 filingsNJ2New York: 0 filingsNYMassachusetts: 2 filingsMA2Washington: 3 filingsWA3Oregon: 0 filingsORVermont: 1 filingVT1California: 5 filingsCA5Nevada: 1 filingNV1Hawaii: 2 filingsHI2
FewerMore filingsNone

Often filed with

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

  • HO 04 10Additional Interests - Residence Premises101 filings
  • HO 04 41Additional Insured - Residence Premises93 filings
  • HO 24 70Additional Residence Rented to Others 1,2,3 or 4 Families92 filings
  • HO 00 03Homeowners 3 - Special Form91 filings
  • HO 04 48Other Structures on the Residence Premises - Increased Limits91 filings
  • HO 04 40Structures Rented to Others - Residence Premises89 filings
  • HO 04 92Specific Structures Away From the Residence Premises - Actual Cash Value Loss Settlement87 filings
  • HO 04 12Increased Limits on Business Property86 filings
  • HO 04 50Increased Amount of Insurance for Personal Property at Other Residences86 filings
  • HO 04 53Credit Card, Electronic Fund Transfer Card or Access Device, Forgery & Counterfeit Money Coverage - Increased Limit86 filings

Recent filings

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

SubmittedCompanyStateEditionsTracking number
Sep 14, 2026American Modern Select Insurance CompanyCA10 00TRUW-135088756
Aug 27, 2026Armed Forces Insurance ExchangeCA03 22ARMD-134961669
Aug 14, 2026Builder Reciprocal Insurance ExchangeNM10 00BRIE-135052376
Jul 2, 2026Acuity, A Mutual Insurance CompanyIL03 22ACUT-134943551
Jun 24, 2026Acuity, A Mutual Insurance CompanyIN03 22ACUT-134949931
Jun 10, 2026Acuity, A Mutual Insurance CompanyAZ03 22ACUT-134943550
Jun 10, 2026Acuity, A Mutual Insurance CompanyWI03 22ACUT-134943553
Jun 9, 2026Acuity, A Mutual Insurance CompanyIA03 22ACUT-134943552
Jun 9, 2026Acuity, A Mutual Insurance CompanyKS03 22ACUT-134949932
Jun 9, 2026Acuity, A Mutual Insurance CompanyMO03 22ACUT-134949934
Jun 3, 2026Acuity, A Mutual Insurance CompanyTN03 22ACUT-134949935
May 29, 2026Old Guard Insurance CompanyMI08 05WSFG-G134947110

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