The interest rates on overpayments and underpayments for the second quarter of 2020 are unchanged from the first quarter rates (Rev Rul. 2020-7). The rates are:
The 5% rate is used to figure estimated tax penalties for individuals for the first 15 days of April.
Payments within one tax year of the entire amount due to a participant in a qualified retirement plan. Qualifying lump sums may be directly rolled over tax free, or, in some cases, are eligible for current tax under a favorable averaging method.