47 C.F.R. § 90.1319 Policies governing the use of the 3650–3700 MHz band.
Title 47 - Telecommunication
(a) Channels in this band are available on a shared basis only and will not be assigned for the exclusive use of any licensee (b) Any base, fixed, or mobile station operating in the band must employ a contention-based protocol. (c) All applicants and licensees shall cooperate in the selection and use of frequencies in the 3650–3700 MHz band in order to minimize the potential for interference and make the most effective use of the authorized facilities. A database identifying the locations of registered stations will be available at http://wireless.fcc.gov/uls. Licensees should examine this database before seeking station authorization, and make every effort to ensure that their fixed and base stations operate at a location, and with technical parameters, that will minimize the potential to cause and receive interference. Licensees of stations suffering or causing harmful interference are expected to cooperate and resolve this problem by mutually satisfactory arrangements.
Title 47: Telecommunication
PART 90—PRIVATE LAND MOBILE RADIO SERVICES
Subpart Z—Wireless Broadband Services in the 3650–3700 MHz Band
§ 90.1319 Policies governing the use of the 3650–3700 MHz band.

