The newly amended section 6203 of the California Revenue and Tax Code provides that a retailer engaged in business in the State includes any retailer that:
- has substantial nexus with the State within the meaning of the Commerce Clause;
- is a member of a commonly controlled group of corporations that includes another member which performs services for the out-of-state retailer in California (including the design and development of TPP sold by the out-of-state retailer or the solicitation of sales on behalf of the out-of-state retailer); or
- enters into an agreement under which a person in California refers potential customers to the out-of-state retailer via the internet or other means in exchange for a commission or other consideration.