Research Tax Credit

All about the R&D tax credit, research, court cases, and more.

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R&D Tax Credit Code & Regs


Research Tax Credit

  • I.R.C. § 41 – Credit for increasing research activities
  • Treas. Reg. § 1.41-1 – Credit for increasing research activities
  • Treas. Reg. § 1.41-2 – Qualified research expenses
  • Treas. Reg. § 1.41-3 – Base amount for taxable years beginning on or after January 3, 2001
  • Treas. Reg. § 1.41-4 – Qualified research for expenditures paid or incurred in taxable years ending on or after December 31, 2003
  • Treas. Reg. § 1.41-4A – Qualified research for taxable years beginning before January 1, 1986
  • Treas. Reg. § 1.41-5 – Basic research for taxable years beginning after December 31, 1986. (Reserved)
  • Treas. Reg. § 1.41-5A – Basic research for taxable years beginning before January 1, 1987
  • Treas. Reg. § 1.41-6 – Aggregation of expenditures
  • Treas. Reg. § 1.41-7 – Special rules
  • Treas. Reg. § 1.41-8 – Special rules for taxable years ending on or after January 3, 2001

Research Tax Deduction

  • I.R.C. § 174 – Research and experimental expenditures
  • Treas. Reg. § 1.174-1 – Research and experimental expenditures; in general
  • Treas. Reg. § 1.174-2 – Definition of research and experimental expenditures
  • Treas. Reg. § 1.174-3 – Treatment as expenses
  • Treas. Reg. § 1.174-4 – Treatment as deferred expenses
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