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.
Distributions that must be taken annually to avoid a 50% IRS penalty by a traditional IRA account holder starting with the year age 70?