A. Parties in interest and citizens shall have an opportunity to be heard at a public hearing before any district regulation, restriction, or boundary shall become effective. At least fifteen (15) days' notice of the date, time, and place of the hearing shall be published in a newspaper of general circulation in the municipality. The notice shall include a map of the area to be affected which indicates street names or numbers, streams, or other significant landmarks in the area.

B. In addition to the notice required in subsection A of this section, if the zoning change requested permits the use of treatment facilities, multiple family facilities, transitional living facilities, halfway houses and any housing or facility that may be used for medical or nonmedical detoxification as these terms are defined pursuant to Section 3-403 of Title 43A of the Oklahoma Statutes, the entity proposing the change in district regulation, restriction, or boundary shall mail a written notice within thirty (30) days of the hearing to all real property owners within one-quarter (1/4) of a mile where the area to be affected is located and shall be responsible for all costs incurred in mailing this notice.

For purposes of this subsection, “entity” means any individual, corporation, company, firm, partnership, association, trust, state agency, government instrumentality or agency, institution, county, incorporated municipality or municipal authority or trust in which any governmental entity is a beneficiary, venture, or other legal entity however organized.