Forms 1099, 945, 1042-S, 1042, W-2G and Withholding Certificates Forms W-9/W-8
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Notes from the reporting front line

Plain-English summaries of the changes that affect 1099 and 1042-S filers. For the full analysis behind any update, get in touch.

CP2100 Apr 6, 2026

Understand IRS CP2100 and CP2100A Notices

What a CP2100 or CP2100A notice means when the IRS flags a Form 1099 name and Tax Identification Number (TIN) mismatch — and the steps to resolve it before backup withholding is triggered.

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Form W-9 Digital assets Sep 30, 2025

IRS Draft Form W-9 (Jan. 2026) Release: Highlights and Impacts

The IRS's September 2025 draft requires sole proprietors to use an SSN, reiterates the disregarded-entity TIN rules, and adds a new exemption for U.S. digital asset brokers. What payors should review now to stay ahead of CP2100 notices and backup withholding.

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A change on this list affecting you?

From the IRIS transition to a fresh CP2100 notice, we can tell you what it means for your filings — and what to do next.