September 2026: Updated E-Filing Requirements

INSIDE SCOOP:

FIRE is officially being retired this December, which means IRIS becomes your only option for filing 2026 forms in 2027. You'll need to pick your path: The Taxpayer Portal works great for smaller batches under 100 forms, while A2A handles unlimited volume but requires XML files.

Not ready to go it alone? Third-party vendors can manage the technical side for you. Read on to make sure you're ready before the deadline hits and be altogether better prepared for tax season. 

TOP NEWS:

	CP2100 Letters: What to Do When They Arrive Watch now by clicking the image.
	What AP Teams Need to Know About the FIRE-to-IRIS Transition Read now by clicking the image.
	IRS E-News Subscriptions: Get IRS News and Guidance Delivered to Your Inbox Read now by clicking the image.

HEAR FROM THE EXPERTS:

QUESTION: Now that IRIS performs real-time TIN and Name matching upon submission, what is the latest IRS guidance for 1099-K filings that are "Accepted with Errors" due to payee mismatches? 

ANSWER: It is still optional to remediate the errors in real-time…

Join our community to read the full answer and explore our diverse library of Ask the Expert Q&As!

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2026 MASTER GUIDES - NOW AVAILABLE!

The 2026 Master Guides to Form 1099 and 1042-S Compliance dropped September 21st, with everything you need on the FIRE system retirement, the reset 1099-K threshold, new NEC/MISC boxes for tips and overtime, and a redesigned 1042-S.

CHECK THEM OUT!

Ask the Experts — LIVE! Your Toughest Compliance Questions Answered

Our Ask the Expert column fields hundreds of questions each month, but some stick out from the rest: the ones that expose gray areas in the regulations or make you rethink a process you thought you'd nailed. In this special live session, we're pulling back the curtain on the toughest, most talked-about compliance questions we've received recently and giving you the expanded answers you won't find in the column.

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