### Question
How is the "child" defined?


### Answer
The term **child** is defined in *30 U.S.C. § 902* as follows -

> a child or a step-child who is—


(1) unmarried

#### Citation:
  - *30 U.S.C. § 902*
  - Heading: **CHAPTER 21-METAL AND NONMETALLIC MINE SAFETY > SUBCHAPTER IV-BLACK LUNG BENEFITS > Part A-General Provisions**

