### Question
What is the definition of undue burden?


### Answer
The definition of **undue burden** is as follows in *47 U.S.C. § 613*:

> significant difficulty or expense

#### Citation:
  - *47 U.S.C. § 613*
  - Heading: **CHAPTER 4-RADIO ACT OF 1927 > SUBCHAPTER VI-MISCELLANEOUS PROVISIONS**

