A. All new units of a duplex or multifamily residence are hereby designated nonsmoking units, including any associated exclusive-use enclosed areas or unenclosed areas, such as, for example, a private balcony, porch, deck, or patio.

B. All units of a duplex or multifamily residence that are not new units, including any associated exclusive-use enclosed areas or unenclosed areas, such as, for example, a private balcony, porch, deck, or patio, are hereby designated nonsmoking units as of January 1, 2014.

C. Smoking in a designated nonsmoking unit is a violation of this chapter.