Section 431.2 - [Effective until 3/10/2026] Licenses issued under this part(a)Definitions. For the purposes of this subpart, the definitions of § 401.5 of this chapter apply.(b)Compliance with part 450 of this chapter. Operations under this part must comply with launch and reentry collision avoidance requirements in § 450.169 of this chapter and critical asset protection requirements in § 450.101(a)(4) and (b)(4) of this chapter.Doc. No. FAA-2019-0229, Amdt. 431-7, 85 FR 79717 , Dec. 10, 2020