A.
A use, building or structure which is lawfully in existence at the effective date of this chapter and shall be made nonconforming at the passage of this chapter or any applicable amendment thereto may be continued, except as otherwise provided herein.
B.
Any lawful nonconforming use or structure existing on the effective date of this chapter may be continued upon the premises or in the building so occupied or used.
C.
Any lawful nonconforming use subject to condition or conditions or limited as to term of duration shall continue subject to any such condition or conditions and only for and to the end of the term of duration for which such nonconforming use was granted.