California Code, Business and Professions Code - BPC § 21603

(a) Secondhand furniture merchants.

(b) Pawnbrokers.

(c) Secondhand car dealers or merchants in connection with automobile and motor vehicle sales agencies but not carried on and conducted in conjunction with a junk yard.

(d) Persons engaged in the business of selling new automobile tires or batteries or other equipment taking in part payment used articles of the same kind and thereafter selling or disposing of the same.

(e) Secondhand oil well supply and equipment dealers not conducting or carrying on their business in connection with a junk yard.

(f) Secondhand clothing merchants and ragpickers.