### Question
How is the term false non-match defined?


### Answer
The term **false non-match** is defined in *49 U.S.C. § 44903* as the following:

> the rejection of a valid identity by a biometric identifier system

#### Citation:
  - *49 U.S.C. § 44903*
  - Heading: **SUBTITLE VII-AVIATION PROGRAMS > PART A-AIR COMMERCE AND SAFETY > subpart iii-safety > CHAPTER 449-SECURITY > SUBCHAPTER I-REQUIREMENTS**

