The National Weight Control Registry: Is it Usefu inl Helping Deal with Our Obesity Epidemic? james o. hill phd', holl; wyatty md', suzann; phelane phd^, ren; a wing,
Failure-to-File Penalty. Also known as the âlate filing penalty,â this fee may be assessed if you do not file your tax return (or tax extension application) by the proper due date. This deadline is April 15 for most individual taxpayers, and March 15 for most businesses.lso known as the âlate payment penalty,â this fee may be assessed if you do not pay your income tax liability by the proper due date. This deadline is April 15 for most individual taxpayers, and March 15 for most businesses.
1 Minimum late filing penalty. 2  If you file your return more than 60 days after the due date or extended due date, the minimum penalty for late filing is the smaller of $135 or 100 percent of the unpaid tax.3  Penalty for late payment. 4  The failure-to-pay penalty is generally 0.5 percent per month of your unpaid taxes. Minimum late filing penalty. 2  If you file your return more than 60 days after the due date or extended due date, the minimum penalty for late filing is the smaller of $135 or 100 percent of the unpaid tax.