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.
For calendar year 2007, taxpayers covered by an HDHP may contribute up to the lesser of the annual deductible or $2,850 ($5,650 for family coverage).