Noise Control Act Article 7

Special municipality, county and city competent authorities may delineate and officially announce each class of noise control zone based on noise conditions within their areas of jurisdiction, and shall perform evaluations at regular intervals and delineate and officially announce new noise control zone classes. The central competent authority shall determine principles for the delineation of control zones, delineation procedures, and regulations governing other binding matters.The central competent authority shall determine delineations and issue official announcements for those control zones in the foregoing paragraph for which there are special needs.