Nothing herein contained shall require any change in plans, construction or designated use of a building or structure for which a zoning permit has been issued and the construction of which shall have been diligently prosecuted within two (2) months of the date of such permit, and the ground story framework of which shall have been completed within four (4) months of the date of the permit, and which entire building shall be completed according to such plans as filed within one (1) year from the date of legal enactment of these Standards.
(Ord. 9-3-68.)