Where a district boundary line divides a lot which was in single ownership and of record at the time of the enactment of this Zoning Code (Ordinance 340, passed December 19, 1966), the use authorized on, and the district requirements applying to, the less restricted portion of such lot shall be considered as extending and shall extend to the entire lot, provided that the more restricted portion of such lot is within not more than fifty feet of such district boundary line.
(Ord. 340. Passed 12-19-66.)