Plan around the actual FIRE cutoff
The IRS FIRE retirement notice lists November 19, 2026 at 3 p.m. Eastern as the last time to file through FIRE. Its listed test cutoff is November 1, 2026, and its application-change cutoff is November 9, 2026. The IRS is no longer accepting new FIRE IR Applications for TCC.
The notice directs current FIRE users to IRIS for tax year 2026 returns filed during 2027 and for subsequent current-year, prior-year and correction work. Record these system milestones separately from each form's filing and furnishing due dates. Recheck the notice before scheduling a final FIRE transmission.
Build an inventory of files and unresolved returns
For each legacy export, record the payer entity, tax year, form type, source version, return count, amount controls, transmission reference and known outcome. Keep unfiled drafts, rejected files and successfully processed returns distinguishable. A filename containing the word final does not establish what reached the IRS.
Publication 1220, revised May 2026, supplies the applicable FIRE record specifications. Preserve the original export and its specification year so a future reviewer can interpret the fields. A PDF statement or a renamed spreadsheet is not a Publication 1220 transmission file.
Reconcile the legacy population before conversion
Fictional Harbor Services has a tax year 2025 export containing 240 approved 1099-NEC records. Its filing log and IRS results show that all 240 were successfully processed. The team later identifies an incorrect amount on one record. Converting the full export for a new system does not create 240 new original filing obligations.
| Population | Count | Owner's next task |
|---|---|---|
| Successfully processed originals | 240 | Preserve the filing evidence and original data |
| Records requiring a factual correction | 1 | Approve the changed value and applicable correction route |
| Other original records | 239 | Keep them out of an unnecessary original resubmission |
The one correction remains linked to its original payer, year, recipient and filing history. The team can use a copy of the export to evaluate mapping, while the production filing register identifies exactly which records require an IRS action.
Choose the destination and review the mapping
IRIS provides a Taxpayer Portal with manual entry or CSV upload, and a separate A2A channel for software transmission. Check the IRS channel and form-year guidance for the actual return population. Existing FIRE credentials and files do not automatically become ready-to-submit IRIS credentials and files.
Ask the person preparing the conversion to show the source-to-field mapping, excluded records, amount reconciliation and treatment of original versus corrected returns. Compare the output with the approved payer records before authorizing a production filing. Resolve unsupported fields explicitly instead of silently dropping them.
Preserve correction history through the change
For current FIRE work, follow Publication 1220's instructions for correcting successfully processed returns and replacing rejected files. Record the actual filing status before selecting a procedure. Sending the original file again can create duplicate reporting.
For work that will occur after FIRE closes, confirm the IRS transition instructions for that form, year and original system before transmission. Keep the old identifiers and original reported values available. Do not invent an IRIS original record merely to create something to correct.
Keep other filing and furnishing duties visible
FIRE retirement does not move every tax form into IRIS. IRS electronic-filing guidance directs W-2 series returns to the Social Security Administration and ACA information returns to AIR. Keep those system owners in the overall project without assigning their returns to a 1099 conversion.
Filing and furnishing also have separate extension procedures. Publication 1220 discusses Form 8809 for applicable filing extensions and Form 15397 for requests to extend recipient-statement furnishing. Eligibility and approval rules matter; do not treat either request as a universal extension or assume furnishing can never be extended.
Choose a practical guide
Use the detailed guides below to review FIRE file acceptance, reporting scope, legacy exports and transition controls. Browse the filing guides.
Questions from filing teams
Can we obtain a new FIRE TCC with Form 4419?
The current retirement notice says new FIRE IR Applications for TCC are no longer accepted. Plan the required IRIS access or transmitter arrangement instead of starting an obsolete Form 4419 process.
Does converting a file submit it to the IRS?
No. Conversion produces data for review. The filing owner must approve the correct population, complete the applicable transmission and reconcile the IRS outcome.
Should we upload every old return again through IRIS?
No. Inventory the original filing history and determine which records actually require action. A system change does not make successfully processed originals unfiled.
Does an IRS filing result prove recipients received statements?
No. Retain separate furnishing records, including the released version and delivery outcome. A transmission result describes agency processing.
Prepare your business's next filing workflow
Create a BoomTax account to begin your organization's filing setup. Keep the reporting year, expected return volume and approved source records available as you prepare the project.
