In the case of a pipe-line system operated by a gas transporter, any person may, after giving the transporter not less than 28 days' notice, apply to the Director for directions under this section which would secure to the applicant a right of a description specified in the application to have conveyed by the system gas which—
Where an application is made under subsection (1) above, it shall be the duty of the Director—
Where, after further considering an application under subsection (1) above, the Director is satisfied that the giving of directions under this section would not prejudice the efficient operation of the pipe-line system, or the conveyance by the system of—
the Director may give such directions to the transporter.
Directions under this section may—
In giving any directions under this section, the Director shall apply the principle that the gas transporter should be entitled to receive by way of charges for the conveyance of gas by virtue of the right—
In subsection (5) above "the appropriate proportion" means such proportion as properly—
Any reference in this section to a right to have gas of any kind conveyed by a pipe-line system includes a reference to a right to introduce into, or take out of, such a system gas of that kind.