by Jon Call, EA | Jul 28, 2026 | Tax Penalties & Relief
Read Time:10 Minute, 5 Second You filed your return, the IRS audited it, and now there is a penalty on top of the extra tax they say you owe. That penalty is almost certainly the substantial understatement penalty under IRC § 6662, a 20% add-on that shows up...
by Matthew Wildes, JD, CPA | Jul 23, 2026 | Tax Penalties & Relief
Read Time:8 Minute, 21 Second The IRS underpayment penalty applies when you have not paid enough tax throughout the year through withholding or estimated payments. It is not a late-filing penalty. It is not a failure-to-pay penalty. It is a separate charge under IRC...
by Jon Call, EA | Jul 21, 2026 | Tax Penalties & Relief
Read Time:6 Minute, 18 Second If you owe taxes and did not file your return on time, you have two separate problems. The one most people ignore is the more expensive one. Failure-to-file and failure-to-pay are different penalties, calculated differently, and they can...