(A) Partial invalidity. In the event any part or provisions of this code are held illegal or void, this illegal or void provision shall not have the effect of making illegal or void any other part or provisions thereof. It shall be presumed in such event that the code would have been enacted even had such illegal or invalid parts or provisions not been originally included, and the remainder of the code shall continue in full force and effect regardless of any extent to which such illegal or invalid parts or provisions may be integrated in the code with such remaining portions.
(B) Decisions involving existing buildings. The validity of any provision of the code as applied to existing buildings and structures shall not be held to affect the validity of such provisions in its application to buildings and structures hereafter erected or altered.
(C) Other federal, state and local laws. Nothing contained in this code shall be deemed to nullify or repeal any provision of the zoning law or any other law pertaining to the location, use or type of construction of any structure or other thing to which this code may apply, except as such nullification or repeal may be specifically asserted by specific provisions of this code.