Cal. Health and Safety Code § 111656.7

(a) Without registering as an out-of-state home medical device retail facility, an out-of-state home medical device retail facility shall not sell or distribute prescription devices in this state through any person or media other than a wholesaler who is licensed pursuant to Chapter 9 (commencing with Section 4000) of Division 2 of the Business and Professions Code. (b) Applications for an out-of-state home medical device retail facility registration shall be made on a form furnished by the department. The department may require any information it deems reasonably necessary to carry out the purposes of this section. (c) The Legislature by enacting this section does not intend a registration issued to any out-of-state home medical device retail facility pursuant to this section to change or affect the tax liability imposed by Chapter 3 (commencing with Section 23501) of Part 11 of Division 2 of the Revenue and Taxation Code on any out-of-state home medical device retail facility. (d) The Legislature by enacting this section does not intend a registration issued to any out-of-state home medical device retail facility pursuant to this section to serve as any evidence that the out-of-state home medical device retail facility is doing business within this state.