47 C.F.R. § 5.311
In addition to the notification requirements of § 5.309, for experiments that may affect frequency bands used for the provision of commercial mobile services, emergency notifications, or public safety purposes, the program experimental radio licensee shall, prior to commencing transmissions, develop a specific plan to avoid interference to these bands. The plan must include provisions for:
[78 FR 25162, Apr. 29, 2013]