Subject to subsection (3) below, a sewerage undertaker may discontinue and prohibit the use of any public sewer which is vested in the undertaker.
A discontinuance or prohibition under this section may be for all purposes, for the purpose of foul water drainage or for the purpose of surface water drainage.
Before any person who is lawfully using a sewer for any purpose is deprived under this section by a sewerage undertaker of the use of the sewer for that purpose, the undertaker shall—
Any dispute arising under subsection (3)(a) above between a sewerage undertaker and any other person as to the effectiveness of any sewer provided by the undertaker for that person's use may be referred to the Authority for determination under section 30A above by either party to the dispute.