(a) Except as provided by (b) of this section, a municipality may not require a sprinkler fire protection system to be included in the construction of all new single-family residential buildings or in the construction of all new residential buildings with not more than two dwelling units.

(b) A municipality may, by ordinance, require a sprinkler fire protection system to be included in the construction of all new single-family residential buildings, in the construction of all new residential buildings with not more than two dwelling units, or in both types of buildings. Before adopting an ordinance to implement this subsection, or before amending an ordinance to extend its coverage to residential buildings described in this subsection, in addition to complying with the other requirements relating to the adoption of an ordinance, the governing body of the municipality shall

(1) notwithstanding the publication requirement in AS 29.25.020(b)(3) or a comparable notice publication requirement of a home rule municipality, at least 30 days before the first scheduled public hearing for the ordinance, publish

(A) a summary of the ordinance or ordinance amendment; and

(B) a notice of the time and place of each scheduled public hearing on the proposed ordinance or amendment; and

(2) notwithstanding the public hearing schedule requirement of AS 29.25.020(b)(6) or comparable public hearing scheduling requirement of a home rule municipality, schedule at least three public hearings on the proposed ordinance or ordinance amendment to be held within a period of not less than 60 days and not more than 180 days.

(c) This section applies to home rule and general law municipalities.