California Code, Business and Professions Code - BPC § 16102

Every soldier, sailor or marine of the United States who has received an honorable discharge or a release from active duty under honorable conditions from such service may hawk, peddle and vend any goods, wares or merchandise owned by him, except spirituous, malt, vinous or other intoxicating liquor, without payment of any license, tax or fee whatsoever, whether municipal, county or State, and the board of supervisors shall issue to such soldier, sailor or marine, without cost, a license therefor.