Sec. 101.4  Transition plan.

    (a) All systems subject to parts 21 and 94 of this chapter in effect 
as of July 31, 1996, which are licensed or which are proposed in an 
application on file, as of July 31, 1996, are subject to the 
requirements under part 21 or part 94 of this chapter as contained in 
the CFR edition revised as of October 1, 1995 and amended in the Federal 
Register through July 31, 1996, as applicable.
    (b) For purposes of this section, a ``system'' shall include:
    (1) The originally licensed system;
    (2) Any modification to the original system involving a change in 
antenna azimuth, antenna beam width, channel loading, emission, station 
location, antenna height, authorized power, or authorized frequencies;
    (3) Additional links constructed to complete an integrated 
communications network; or
    (4) Operationally connecting new facilities and/or frequencies.
    (c) All radio frequency devices authorized pursuant to part 2 of 
this chapter as being in compliance with applicable part 21 or part 94 
of this chapter in effect as of July 31, 1996, requirements can be used 
indefinitely with systems licensed under this part 101.