You know, don't push the button, don't push the button, don't push the button, and then some socko finish. I was pleasantly surprised by how the book bobs and weaves and is a lot more active and entertaining that just that. MILD SPOILER, so don't tell your four year old.
The late payment penalty applies to any portion of your federal tax that remains unpaid as of the due date, typically the tax filing date. The IRS imposes a failure-to-pay penalty of one half of one percent for each month or part of a month that the tax goes unpaid.
Penalty for Failure to Pay Tax by the Due Date. The late payment penalty applies to any portion of federal tax that is unpaid as of the payment due date. For each month or part of a month that the tax remains unpaid, the IRS imposes a failure-to-pay penalty of half of one percent (0.5%).f you file your return more than 60 days after the due date or extended due date, the minimum penalty is the smaller of $135 or 100% of the unpaid tax (from Publication 17, Your Federal Income Tax, section on penalties).