A.
A building or structure that may now be or shall at any time hereafter become dangerous or unsafe or a fire hazard or health hazard shall, unless made safe and secure or the conditions otherwise remedied, be taken down and removed.
B.
A building or structure declared structurally unsafe by duly constituted authority may be restored to a safe condition, provided that if the cost of reconstruction or restoration is in excess of 75% of the value of the building or structure, as may be determined by the Building Inspector, such building or structure, if reconstructed or restored, shall be made to conform to the requirements for buildings or structures hereafter erected; but no change of use or occupancy shall be compelled by reason of any such reconstruction or restoration.