Internal Revenue Code Section 6621
Section 6621 of the internal revenue code establishes the rates for interest on tax overpayments and tax underpayments.
Internal revenue code section 6621. Irc 6621 a 2 and c 1 underpayment rates from january 1 1990 december 31 2020. July 1 september 30 2019. October 1 december 31 2019.
Section 6621 determination of rate of interest. July 1 september 30 2020. Under section 6621 a 1 the overpayment rate is the sum of the federal short term rate plus 3 percentage points 2 percentage points in the case of a corporation except the rate for the.
October 1 december 31 2020. B not later than december 31 1999 requests the secretary of the treasury to apply section 6621 d of the internal revenue code of 1986 as added by subsection a to such periods amendment by section 3302 of pub. January 1 march 31 2020.
2016 06 section 6621 of the internal revenue code establishes the interest rates on overpayments and underpayments of tax. 2017 6 section 6621 of the internal revenue code establishes the interest rates on overpayments and underpayments of tax. April 1 june 30 2019.
105 206 applicable to interest for the second and succeeding calendar quarters beginning after the date of enactment enacted. April 1 june 30 2020. Under section 6621 a 1 the overpayment rate is the sum of the federal short term rate plus 3 percentage points 2 percentage.