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IRS & compliance · Sep 19, 2026

File 1099s Free with IRS IRIS: TCC, CSV Uploads, and the 10-Return E-File Rule

IRIS is the IRS’s free Taxpayer Portal for e-filing Forms 1099 and related information returns—after you obtain an IRIS TCC. Upload CSV or enter manually (up to 100 forms per batch), and remember the 10-return electronic filing mandate.

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