Retirees who don’t withhold enough from pensions or IRA withdrawals can owe an estimated-tax penalty even while awaiting a refund.
A retiree who arranges pension or IRA withdrawals to cover living expenses can still end up owing a penalty on next spring’s tax return, even in a year that otherwise ends with a refund. That is because the IRS does not judge underpayment at the finish line. The penalty is measured across four periods spread…