47 C.F.R. § 90.511 Interference.
Title 47 - Telecommunication
The operation of any station engaged in developmental work shall not cause harmful interference to the operation of stations regularly licensed under any part of the Commission's rules.
Title 47: Telecommunication
PART 90—PRIVATE LAND MOBILE RADIO SERVICES
Subpart Q—Developmental Operation
§ 90.511 Interference.