### Question
What does material nonpublic technical information mean?


### Answer
**Material nonpublic technical information** has the following meaning in *50 U.S.C. § 4565*:

> information that—


(aa) provides knowledge, know-how, or understanding, not available in the public domain, of the design, location, or operation of critical infrastructure

#### Citation:
  - *50 U.S.C. § 4565*
  - Heading: **CHAPTER 55-DEFENSE PRODUCTION > SUBCHAPTER III-GENERAL PROVISIONS**

