14 CFR §89.101
- (a)Except as provided in paragraph (b) of this section, this subpart applies to the following:
- (1)Persons operating unmanned aircraft registered or required to be registered under part 47 or 48 of this chapter.
- (2)Persons operating foreign civil unmanned aircraft in the United States.
- (b)This subpart does not apply to unmanned aircraft operations under part 91 of this chapter that are transmitting ADS-B Out pursuant to § 91.225.