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IRS and Treasury Near Final Rules as One Big Beautiful Bill Act Takes Effect

As IRS and Treasury near publication of final regulations, employers recalibrate payroll in preparation for the 2026 filing season.

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Overview

  • Treasury and IRS are finalizing OBBBA implementing regulations, including an occupation list for tip-income deductions due by Oct. 2, 2025.
  • Employers are overhauling payroll systems to reflect expanded SALT limits, new senior and tip deductions, and a raised Form 1099 reporting threshold.
  • Tax advisors are guiding clients on strategic moves such as Roth conversions, accelerated R&E deductions, and timing equipment acquisitions under 100% bonus depreciation.
  • QSBS benefits now allow stock held three years to qualify for a 50% exclusion, phase in higher exclusions at years four and five, raise the asset test to $75 million, and boost the cap to $15 million.
  • Permanent 100% bonus depreciation and restored EBITDA-based interest deductions apply immediately, and lifetime estate and gift exemptions will rise to $15 million per person in 2026.