IRS IRIS Taxpayer Portal

Overview

The IRS IRIS Taxpayer Portal is a free web service for filing information returns through the portal or Application to Application (A2A). Portal users can enter data manually or upload CSV files, manage issuer information, keep filing records, download payee copies, submit corrections, and request automatic extensions. Portal access requires an IRIS Transmitter Control Code, a five-digit code used only for IRIS. A2A is an option for filers using third-party or their own software; it can submit thousands of returns, with uploads up to 100 MB at a time. Setting it up requires an A2A TCC, API Client ID, schema package, and successful Assurance Testing System transmissions. CSV formatting guidance and templates are available in the portal. IRIS accepts information returns for tax year 2022 and later. Starting with tax year 2023, filers with 10 or more information returns must file electronically; Forms W-2 are filed with the Social Security Administration. PDF downloads may take up to 10 minutes to appear in portal notifications, and company firewalls may block external downloads.

Who it is for

It suits filers submitting information returns who can meet the IRIS TCC requirement. A2A is suited to filers who need to submit larger volumes through their own or third-party software.

Compared on tax information reporting software

Free plan

Yesirs.gov

Forms covered

bothirs.gov

Federal e-file

Yesirs.gov

State e-file

Yesirs.gov

Correction filing

Yesirs.gov

Free-plan form limit

100 formsirs.gov

Import methods

csvirs.gov

Facts

Purpose

IRIS accepts information returns through the Taxpayer Portal/UI and Application to Application (A2A).irs.gov · 2 Oct 2026

Supported years

IRIS accepts information returns for tax year 2022 and later.irs.gov · 2 Oct 2026

Corrections and extensions

The system lets filers submit corrections and request automatic extensions.irs.gov · 2 Oct 2026

Portal features

The portal supports manual entry or CSV upload, payee-copy downloads, filing records, and saving and managing issuer information.irs.gov · 2 Oct 2026

A2A volume

Filers using third-party software or their own software can use A2A to submit thousands of returns, up to 100 MB at a time.irs.gov · 2 Oct 2026

A2A setup

A2A setup requires an A2A TCC, an API Client ID, a schema package, and successful Assurance Testing System transmissions.irs.gov · 2 Oct 2026

TCC requirement

Using the Taxpayer Portal requires an IRIS Transmitter Control Code, a five-digit code that can only be used for IRIS.irs.gov · 2 Oct 2026

CSV guidance

CSV formatting guidelines and templates for each form are available in the portal.irs.gov · 2 Oct 2026

Available forms

For processing year 2026, the page lists supported forms for tax years 2025, 2024, and 2023, with additional forms available through the Taxpayer Portal only.irs.gov · 2 Oct 2026

Electronic filing threshold

Starting tax year 2023, filers with 10 or more information returns must file them electronically; Forms W-2 are e-filed with the Social Security Administration.irs.gov · 2 Oct 2026

Support

The IRIS Help Desk is available Monday through Friday, 7:30 a.m. to 7 p.m. Eastern time, at the listed toll-free and international numbers.irs.gov · 2 Oct 2026

Notable download limit

PDF downloads may take up to 10 minutes to appear in portal notifications, and company firewalls may block external downloads.irs.gov · 2 Oct 2026

Issuer copy limit

Some continuous-use forms no longer include an issuer/payer copy because of form updates.irs.gov · 2 Oct 2026

Where it ranks on Specifiction

• Best Tax Information Reporting Software in 2026#10 of 27

Sources

• irs.gov/filing/e-file-information-returns-with-· checked 2 Oct 2026