California Code, Business and Professions Code - BPC § 19060.6

(a) Except as provided in subdivision (b), every person who, on his or her own account, advertises, solicits or contracts to manufacture, repair or renovate upholstered furniture or bedding, and who either does the work himself or herself or has others do it for him or her, shall obtain the particular license required by this chapter for the particular type of work that he or she solicits or advertises that he or she will do, regardless of whether he or she has a shop or factory.

(b) Every person who, on his or her own account, advertises, solicits or contracts to repair or renovate upholstered furniture and who does not do the work himself or herself nor have employees do it for him or her but does have the work done by a licensed custom upholsterer need not obtain a license as a custom upholsterer but shall obtain a license as a retail furniture dealer.  However, nothing in this section shall exempt a retail furniture dealer from complying with Sections 19162 and 19163.