the course of works or alterations proposed,
the manner in which the works are to be utilised,
the amount and nature of the energy to be transmitted, and
the extent to, and manner in, which (if at all) earth returns are to be used;
and the licensee shall conform with such reasonable requirements, either general or special, as may be laid down by the telegraph-authority within that period for preventing any telegraph-line from being injuriously affected by such works or alterations:
Provided that, in case of emergency (which shall be stated by the licensee in writing to the telegraph-authority) arising from defects in any of the electric supply-lines or other works of the licensee, the licensee shall be required to give only such notice as may be possible after the necessity for the proposed new works or alterations has arisen.
(2)
Where the works to be executed consist of the laying [or placing] [ Inserted by Act 1 of 1922, Section 4.] of any [* *] [ The word " underground " omitted by Act 1 of 1922, Section 4.] service-line [* *] [ The words " immediately attached or intended to be immediately attached to a distributing main " omitted by Act 1 of 1922, Section 4.], the licensee shall, not less than forty-eight hours before commencing the work, serve upon the telegraph-authority a notice in writing of his intention to execute such works.