47 CFR Sections 90.477(a), (b)(2), and
(d)(2) permit land mobile licensees to employ interconnection on a
non-profit, cost- shared basis and require that cost sharing
records be maintained. This section describes requirements for
interconnected licensees; interconnected cost-sharing licensees
above 800 MHz; interconnected cost-sharing licensees below 800 MHz;
and interconnected urban licensees.