(1) For the purposes of this Part, a local access line is a line that is part of the infrastructure of a local access network.
(2) However, a line does not form part of a local access line to the extent that the line is on the customer side of the boundary of a telecommunications network.
(3) For the purposes of this section, the boundary of a telecommunications network is to be determined in the same manner in which it is determined under section 22 for the purposes of sections 20, 21 and 30.
(4) For the purposes of this section, local access network has the meaning generally accepted within the telecommunications industry.