KRS 100.293

When all components of the comprehensive plan which are prescribed under this chapter as a minimum for a planning unit and a public facilities improvement program have been prepared and adopted, the commission and legislative bodies and fiscal courts of the cities and counties shall have the power to prepare and adopt an official map regulation. The regulation shall incorporate a map of the entire area under jurisdiction, but it may be accomplished by parts in which case the first part shall be passed as the original regulation and all other parts shall be treated as amendments to the original regulation.