Section 155(6) in The Gujarat Municipalities Act, 1963
(6)Commencement of work. - No person who becomes entitled under sub-section (2) or (5) to proceed with any intended work of which notice is required by sub-section (1) shall commence such work after the expiry of the period of one year from the date on which he first became entitled so to proceed therewith, unless he shall have again become so entitled by a fresh compliance with the provisions of sub-sections (1) or (5). And no person to whom permission to erect or alter or add to any building has been granted by the municipality under section 96 of the Bombay District Municipal Act, 1901 (Bombay Ill of 1901), or of that Act as adapted and applied to the Saurashtra area or under section 123 of the Bombay Municipal Boroughs Act, 1925 (Bombay XVIII of 1925), or of that Act as adapted and applied to the Saurashtra area or that Act as extended to the Kutch area shall be entitled to commence such work after the expiry of one year from the date on which this Act comes into force.