PDFWAC 480-143-200
Certain telephone leases are exempt.
A telephone utility may lease its properties to another telephone utility without prior commission approval if:
(1) The properties are not essential to the lessor's provision of telephone service;
(2) The properties are used to transmit interexchange messages between subscribers of different utilities;
(3) The lease expedites economical interexchange telephone service; and
(4) A copy of the lease agreement is kept in the lessor's office.