Part III Issuer or Other Coverage Provider
Publication 5258 — Guide for Affordable Care Act (ACA) Information Returns (AIR) Submission Composition and Reference Guide · 2026-10-03 edition · updated 2026-10-04 · United States
The 9-digits EIN of the provider of the coverage.
The telephone number, including area code, of the provider of the coverage. The complete mailing address of the provider of the coverage. IRS XML schema provides a choice between using US Address or Foreign Address. Differences are noted in individual fields on the right. If TransmitterForeignEntityInd is true then ForeignAddressGrp will be used. Choice between CountryCd and CountryNm
HealthCoverageOriginCd
SponsoringEmployerInfoGrp BusinessName BusinessNameLine1Txt BusinessNameLine2Txt
EIN
MailingAddressGrp USAddressGrp AddressLine1Txt AddressLine2Txt CityNm USStateCd USZIPCd USZIPExtensionCd Or ForeignAddressGrp AddressLine1Txt AddressLine2Txt CityNm CountryCd - OR CountryNm ForeignProvinceNm ForeignPostalCd
IssuerInfoGrp BusinessName BusinessNameLine1Txt BusinessNameLine2Txt
EIN
ContactPhoneNum
Name of the provider of the 16 Name coverage.
Employer Identification 17 number (EIN)
18 Contact telephone number
The 9-digits EIN of the provider of the coverage.
The telephone number, including area code, of the provider of the coverage
Guide for Electronically Filing ACA Information Returns for Software Developers and Transmitters 95
Data Mapping for ISS-UI Services/ISS-A2A Web Services
Form Line 1095-B Data Element Definition XML Element Name Num
MailingAddressGrp USAddressGrp AddressLine1Txt AddressLine2Txt CityNm USStateCd USZIPCd USZIPExtensionCd Or ForeignAddressGrp AddressLine1Txt AddressLine2Txt CityNm CountryCd - OR CountryNm ForeignProvinceNm ForeignPostalCd
Street Address (Including 19 room or suite no.)
20 City or Town
21 State or province
Country and ZIP or Foreign 23 Postal Code
The complete mailing address of the provider of the coverage. IRS XML schema provides a choice between using US Address or Foreign Address. Differences are noted in individual fields on the right. If TransmitterForeign EntityInd is true then ForeignAddressGrp will be used. Choice between CountryCd and CountryNm
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