Any use which does not conform to the requirements of this chapter at the effective adoption date of this chapter may be continued so long as it remains otherwise lawful. Structures and land may continue to be used as they were at the effective adoption date so long as they remain otherwise lawful. Any use, structure, or sign which subsequently becomes nonconforming as a result of amendments to this chapter may continue as it was at the time of the adoption of the amendment, as long as it remains otherwise lawful. Such nonconforming uses, structures, and signs shall conform to all laws in effect at the time when the use, structure, and signs were established.
A. If any change of ownership, possession or lease of any legally nonconforming use, structure, or sign occurs, the use, structure, or sign may continue according to the requirements of this Part 901.
B. When the boundaries of a district are changed, any uses, structures, or signs which become nonconforming as a result of such change shall be subject to the provisions of this Part 901.