47 C.F.R. § 88.27
(d) Registered NNA users may transmit in the frequencies of the 5030-5091 MHz band designated for NNA operations only using NNA stations compliant with the rules of this part, and only pursuant to and consistent with the terms of a frequency assignment from a Commission-approved DFMS.
Effective Date Note:At 90 FR 1395, Jan. 8, 2025, Part 88 was added, and § 88.27 was delayed indefinitely.