The May 17 deadline for filing your 2020 individual tax return is coming up soon. It’s important to file and pay your tax return on time to avoid penalties imposed by the IRS. Here are the basic rules. Failure to pay Separate penalties apply for failing to pay and failing to file. The failure-to-pay penalty is 1/2% for each month (or partial month) the payment is late. For example, if payment is due May 17 and is made June 22, the penalty is 1% (1/2% times 2 months or partial months). The maximum penalty is 25%. The failure-to-pay penalty is based on the amount shown as due on the return (less credits for amounts paid through withholding or estimated payments), even if the actual tax bill turns out to...