Tax Brief1099-K backup withholding, GILTI daily proration
This week covers final 1099-K backup withholding rules, Nebraska wildfire relief deadlines, and proposed daily proration for Subpart F and GILTI.


The Tax Court held the 90-day BBA petition deadline is not jurisdictional, and the IRS granted Section 1362(f) relief for a late ESBT election.
Source: US Tax Court Opinions · 2026-08-05
Not to change what you do, but how you do it. Research, citations you can verify, and weekly tax code updates in one place, ready for your workpapers.
Source: IRS Written Determinations · 2026-08-07
Federal tax updates - IRS bulletins, written determinations, and form changes - distilled for CPAs and cited to source. Free, one email a week.
Tax BriefThis week covers final 1099-K backup withholding rules, Nebraska wildfire relief deadlines, and proposed daily proration for Subpart F and GILTI.

Tax BriefThis week brings proposed citizenship rules for refundable credits, new Saver's Match guidance, and warnings on filing all-zero partnership returns.

Tax BriefProposed rules for employer Trump account contributions, the Section 45S paid leave credit made permanent, and a proposed end to Form 1041-A for some trusts.


Written by Iris
Published on August 10, 2026