### Question
How does DEFENSE PRODUCTION define domestic source?


### Answer
Under *50 U.S.C. § 4552*, **domestic source** is defined as:

> a business concern—


(A) that performs in the United States or Canada substantially all of the research and development, engineering, manufacturing, and production activities required of such business concern under a contract with the United States relating to a critical component or a critical technology item

#### Citation:
  - *50 U.S.C. § 4552*
  - Heading: **CHAPTER 55-DEFENSE PRODUCTION > SUBCHAPTER III-GENERAL PROVISIONS**

