7 Publication 5718
1. Introduction
The Information Returns Intake System (IRIS) Application to Application (A2A) is a system
that uses Extensible Markup Language (XML) format to bulk le large volumes of Form 1099
series returns.
This publication outlines the communication procedures, transmission formats, business
rules and validation procedures for information returns transmitted electronically through the
IRIS A2A system. Use the guidelines provided in this publication along with the yearly XML
schemas to develop software for IRIS and/or to transmit through the IRIS A2A system. For
Tax Year (TY) 2023 in Processing Year (PY) 2024 the following information returns can be
led using IRIS A2A:
• Form 1099-A, Acquisition or Abandonment of Secured Property
• Form 1099-B, Proceeds From Broker and Barter Exchange Transactions
• Form 1099-C, Cancellation of Debt
• Form 1099-CAP, Changes in Corporate Control and Capital Structure
• Form 1099-DIV, Dividends and Distributions
• Form 1099-G, Certain Government Payments
• Form 1099-H, Health Coverage Tax Credit (HCTC) Advance Payments
• Form 1099-INT, Interest Income
• Form 1099-K, Payment Card and Third-Party Network Transactions
• Form 1099-LS, Reportable Life Insurance Sale
• Form 1099-LTC, Long-Term Care and Accelerated Death Benets
• Form 1099-MISC, Miscellaneous Income
• Form 1099-NEC, Nonemployee Compensation
• Form 1099-OID, Original Issue Discount
• Form 1099-PATR, Taxable Distributions Received From Cooperatives
• Form 1099-Q, Payments from Qualied Education Programs (Under Sections 529 &
530)
• Form 1099-QA, Payments from Distributions From ABLE Accounts
• Form 1099-R, Distributions From Pensions, Annuities, Retirement or Prot-Sharing
Plans, IRAs, Insurance Contracts, etc.
• Form 1099-S, Proceeds From Real Estate Transactions
• Form 1099-SA, Distributions From an HSA, Archer MSA, or Medicare Advantage MSA
• Form1099-SB, Seller’s Investment in Life Insurance Contract
Note: Please refer to Publication 1220, Specifications for Electronic Filing of Form 1097,
1098, 1099, 3921, 3922, 5498 and W-2G, for Information Return electronic specications
led via the Filing Information Returns Electronically (FIRE) System.