### Question
What is the definition of certificate?


### Answer
The definition of **certificate** is as follows in *42 U.S.C. § 263b*:

> the certificate described in subsection (b)(1) of this section

#### Citation:
  - *42 U.S.C. § 263b*
  - Heading: **CHAPTER 6-THE CHILDREN'S BUREAU > SUBCHAPTER II-GENERAL POWERS AND DUTIES > Part F-Licensing of Biological Products and Clinical Laboratories > subpart 3-mammography facilities**

