### Question
How is the term unsupported cost defined?


### Answer
The term **unsupported cost** is defined in *5 U.S.C. § 405* as the following:

> a cost that is questioned by the Office because the Office found that, at the time of the audit, such cost is not supported by adequate documentation

#### Citation:
  - *5 U.S.C. § 405*
  - Heading: **PART I-THE AGENCIES GENERALLY > CHAPTER 4-INSPECTORS GENERAL**

