(a) Frequencies in the 220-222 MHz band are available for land mobile and fixed use for both Government and non-Government operations. This subpart supplements part 1, subpart F of this chapter which establishes the requirements and conditions under which commercial and private radio stations may be licensed in the Wireless Telecommunications Services. The provisions of this subpart contain additional pertinent information for current and prospective licensees specific to the 220-222 MHz band.(b)(1) Licensees granted initial authorizations for operations in the 220-222 MHz band from among applications filed on or before May 24, 1991 are referred to in this subpart as "Phase I" licensees;(2) Applicants that filed initial applications for operations in the 220-222 MHz band on or before May 24, 1991 are referred to in this subpart as "Phase I" applicants; and(3) All assignments, operations, stations, and systems of licensees granted authorizations from among applications filed for operations in the 220-222 MHz band on or before May 24, 1991 are referred to in this subpart as "Phase I" assignments, operations, stations, and systems, respectively.(c)(1) Licensees granted initial authorizations for operations in the 220-222 MHz band from among applications filed after May 24, 1991 are referred to in this subpart as "Phase II" licensees;(2) Applicants that filed initial applications for operations in the 220-222 MHz band after May 24, 1991 are referred to in this subpart as "Phase II" applicants; and(3) All assignments, operations, stations, and systems of licensees granted authorizations from among applications filed for operations in the 220-222 MHz band after May 24, 1991 are referred to in this subpart as "Phase II" assignments, operations, stations, and systems, respectively.(d) The rules in this subpart apply to both Phase I and Phase II licensees, applicants, assignments, operations, stations, and systems, unless otherwise specified.62 FR 15993, Apr. 3, 1997, as amended at 63 FR 68971, Dec. 14, 1998