(A) Existing off-street parking or loading facilities located on the same lot as the use served shall not be reduced, or if already less than, shall not be further reduced below the requirements and standards for similar new structures or uses.
(B) When an existing structure or use is damaged or destroyed and subsequently repaired or rebuilt, parking/loading facilities equivalent to any maintained at the time of such damage or destruction shall be restored, but additional parking/loading spaces need not be provided.
(C) Whenever the use of any structure or premises is intensified through addition of dwelling units, increased floor area, greater seating capacity, etc., additional off-street parking and loading spaces commensurate with such intensification shall be provided.
(D) Whenever the existing use of a structure is changed to a different use, off-street parking or loading facilities shall be provided as required herein for such new use.