Section 337(3) in The Delhi Municipal Corporation Act, 1957
(3)If the person or anyone lawfully claiming under him does not commence the erection of the building or the execution of the work within one year of the date on which the building or work is sanctioned or is deemed to have been sanctioned, he shall have to give notice under section 333 or, as the case may be, under section 334 for fresh sanction of the building or the work and the provisions of this section shall apply in relation to such notice as they apply in relation to the original notice.
