Authority to Continue Any use, structure, lot, or site element that
legally existed as a nonconformity as of the effective date of this
ordinance, and any use, structure, lot, or site element that has been
made nonconforming as of the effective date of this ordinance, and
any subsequent amendments, may continue subject to the provisions
of this chapter so long as it remains otherwise legal. A use, structure,
lot, or site element that is illegal as of the effective date of this
ordinance, remains illegal.