90.513—Special provisions.
(a)
The developmental program as described by the application for authorization shall be followed unless the Commission shall otherwise direct.
(b)
Where some phases of the developmental program are not covered by the general rules in this chapter and the rules in this part, the Commission may specify additional requirements or conditions as deemed necessary in the public interest, convenience, or necessity.
(c)
The Commission may, from time to time, require a station engaged in developmental work to conduct special tests which are reasonable and desirable to the authorized developmental program.