Sec. 101.135  Shared use of radio stations and the offering of private 
          carrier service.

    Licensees of Private Operational Fixed Point-to-Point Microwave 
radio stations may share the use of their facilities on a non-profit 
basis or may offer service on a for-profit private carrier basis, 
subject to the following conditions and limitations:
    (a) Persons or governmental entities licensed to operate radio 
systems on any of the private radio frequencies set out in Sec. 101.101 
may share such systems with, or provide private carrier service to, any 
eligible for licensing under this part, regardless of individual 
eligibility restrictions, provided that the communications being carried 
are permissible under Sec. 101.603. In addition, persons or governmental 
entities licensed to operate low power systems under the provisions of 
Sec. 101.147(r)(10) may share such systems with, or provide private 
carrier services to, Federal Government entities, provided the 
communications carried are permissible under Sec. 101.603;
    (b) The licensee must maintain access to and control over all 
facilities authorized under its license;
    (c) All sharing and private carrier arrangements must be conducted 
pursuant to a written agreement to be kept as part of the station 
records; and
    (d) The licensee must keep an up-to-date list of system sharers and 
private carrier subscribers and the basis of their eligibility under 
this part. Such records must be kept current and must be made available 
upon request for inspection by the Commission.