To claim the 80% waiver, you must complete IRS Form 2210 and file page 1 of the form with your 2018 tax return. The form can be filed with a return filed electronically or on paper. You’ll need ...

Withholding too little taxes or paying too little in estimated taxes is an easy mistake to make. Learn how to avoid a tax penalty for under-withholding taxes.

The IRS also often waives penalties for those who recently retired at 62 or older, became disabled, or can show reasonable cause. To request a waiver, individuals can file a simplified Form 2210.