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 Failure to Pay. 2  This is the penalty that will be applied if you filed your taxes but did not pay them. 3  This penalty is calculated at 0.5% for each month the tax bill is not paid in full and is calculated based on the amount of your owed taxes. 4  The maximum penalty for the failure to pay penalty is 25%.