§ 4975. Tax on prohibited transactions
(a)
Initial taxes on disqualified person There is hereby imposed a tax on each prohibited transaction. The rate of tax shall be equal to 15 percent of the amount involved with respect to the prohibited transaction for each year (or part thereof) in the taxable period. The tax imposed by this subsection shall be paid by any disqualified person who participates in the prohibited transaction (other than a fiduciary acting only as such).