47 C.F.R. § 90.507 Limitations on use.
Title 47 - Telecommunication
Stations used for developmental operation shall conform to all technical and operating requirements of subparts I and N of this part, unless specifically exempted in the instrument of authorization.
Title 47: Telecommunication
PART 90—PRIVATE LAND MOBILE RADIO SERVICES
Subpart Q—Developmental Operation
§ 90.507 Limitations on use.