RCW 70.77.255: Acts prohibited without appropriate licenses and permits—Minimum age for license or permit—Activities permitted without license or permit.

(1) Except as otherwise provided in this chapter, no person, without appropriate state licenses and city or county permits as required by this chapter may:

(a) Manufacture, import, possess, or sell any fireworks at wholesale or retail for any use;

(b) Make a public display of fireworks;

(c) Transport fireworks, except as a licensee or as a public carrier delivering to a licensee; or

(d) Knowingly manufacture, import, transport, store, sell, or possess with intent to sell, as fireworks, explosives, as defined under RCW 70.74.010, that are not fireworks, as defined under this chapter.

(2) Except as authorized by a license and permit under subsection (1)(b) of this section or as provided in RCW 70.77.311, no person may discharge display fireworks at any place.

(3) No person less than eighteen years of age may apply for or receive a license or permit under this chapter.

(4) No license or permit is required for the possession or use of consumer fireworks lawfully purchased at retail.