CITIES AND TOWNS ‑- FIREWORKS ‑- STATE FIREWORKS LAW ‑- PERMITS ‑- AUTHORITY OF CITY TO PROHIBIT FIREWORKS BY ORDINANCE A city or town does not have the authority to prohibit by ordinance the manufacture, importation, exportation, possession, sale, use or discharge of fireworks within its corporate limits but may regulate such activities under provisions of the state fireworks law (chapter 228, Laws of 1961, chapter 70.77 RCW).