The time periods specified in this subchapter shall be measured as follows:
(A) For nonconforming structures or uses which were conforming immediately prior to the effective date of this chapter, the time period shall be measured from the effective date of this chapter.
(B) For structures or uses which become nonconforming subsequent to the effective date of this chapter due to any zone change or other amendment to this chapter, the time period shall be measured from the effective date of whichever zone or amendment first causes the structure or use to become nonconforming.
(C) For structures or uses which first became nonconforming by the provisions of any prior city or county ordinance, the time period shall be measured from the date such structures or uses first became nonconforming.
('64 Code, § 51.15) (Ord. 822, passed 3-11-93) Penalty, see § 10.97