### Question
How is the term child defined?


### Answer
The term **child** is defined in *30 U.S.C. § 902* as the following:

> a child or a step-child who is—


(1) unmarried

#### Citation:
  - *30 U.S.C. § 902*
  - Heading: **CHAPTER 22-MINE SAFETY AND HEALTH > SUBCHAPTER IV-BLACK LUNG BENEFITS > Part A-General Provisions**

