No airport zoning regulations shall be adopted, amended, or changed under this chapter except by action of the legislative body of the political subdivision in question, or the joint board provided for in subsection (2) of Section 61-7-7, after a public hearing in relation thereto, at which parties in interest and citizens shall have an opportunity to be heard. At least 15 days' notice of the hearing shall be published in an official paper, or a paper of general circulation, in the political subdivision or subdivisions in which is located the airport hazard to be zoned.