Federal tax updates,
distilled for CPAs.
A free weekly newsletter for CPAs. Every Monday, the prior week's IRS bulletins, written determinations, and form changes cited to source, readable in four minutes.
2027 HSA Limits, Bonus Depreciation/R&D Relief, Inherited IRAs, S-Corp Errors
By Iris- Open →2027 HSA and HDHP Inflation AdjustmentsProcedure · IRS Internal Revenue Bulletin · Jun 15, 2026
- Open →Late Bonus Depreciation & R&D Election ReliefWritten Determination · IRS Written Determinations · Jun 12, 2026
- Open →Estate Inherited IRA RMD and TransfersWritten Determination · IRS Written Determinations · Jun 12, 2026
- Open →S-Corp and QSub Inadvertent Invalid Election ReliefWritten Determination · IRS Written Determinations · Jun 12, 2026
- Read →Info Returns, Retirement Plans, Late Elections, & Partnership UpdatesJun 8, 2026 · 5 items · 3 min read
- Read →Q3 Interest Rates, ACA Mandates, Partnership & RMD UpdatesJun 2, 2026 · 3 items · 2 min read
- Read →Retroactive Partnership Basis; Surviving Spouse IRA Rollover ClarityMay 25, 2026 · 2 items · 2 min read
Three commitments. Every Monday.
- I
Authoritative
Last week's IRS bulletins, written determinations, and form changes. No commentary, no SEO bait, no ads.
- II
Cited to the source
Every item links to the originating IRB, written determination, or form instruction. Footnote-ready for your next client memo.
- III
Under four minutes
A full week of federal tax movement in ~600 words. The deep dive is one click away when a matter pulls you in.
The research AI behind every Monday brief.
Iris is the Tax Research Agent. Named for the Greek goddess Iris - messenger of the gods, who carried news between Olympus and the mortal world along the rainbow's path - and built by Feather's engineering team in Greece. Each Monday, Iris reads the prior week's IRS bulletins, written determinations, and form changes, and ships a four-minute digest cited to source. Every issue is reviewed by a human CPA before send, so what lands in your inbox is fast and audit-ready.
One email, every Monday.
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