(1)
When the result of such inspection and examination as aforesaid is as described in Section 256, the Commissioner may-
(a) by written notice require the owner of the premises or the several owners of the respective premises in which the drain, ventilation shaft or pipe, cesspool, house gully, water-closet, privy, latrine, urinal or bathing or washing place is situate, or for the benefit of which the same has been constructed, erected or set up,
(b) without notice, close, fill up or demolish any drain by which sullage or sewage is carried through, from, into or upon any premises in contravention of any of the provisions of this Chapter, and the expenses incurred by the Commissioner in so doing shall be paid by such owner or owners.
(2)
Any requisition under clause (a) of sub-section (1) in respect of any drain which has been constructed, erected or set up, or which is continued for the sole use and benefit of a property or for the exclusive use and benefit of two or more properties, may include any extension thereof beyond such property or properties, if and so far as such extension has been constructed, erected or set up, or is continued, for the sole use and benefit of such property or properties.]