### Question
How does ADDITIONS TO THE TAX, ADDITIONAL AMOUNTS, AND ASSESSABLE PENALTIES define underpayment?


### Answer
Under *26 U.S.C. § 6656*, **underpayment** is defined as:

> the excess of the amount of the tax required to be deposited over the amount, if any, thereof deposited on or before the date prescribed therefor

#### Citation:
  - *26 U.S.C. § 6656*
  - Heading: **Subtitle F-Procedure and Administration > CHAPTER 68-ADDITIONS TO THE TAX, ADDITIONAL AMOUNTS, AND ASSESSABLE PENALTIES > Subchapter A-Additions to the Tax and Additional Amounts > PART I-GENERAL PROVISIONS**

