Cal. Bus. & Prof. Code § 23661.3
(a) Notwithstanding any law, rule, or regulation to the contrary, any person currently licensed in this state or any other state as a winegrower who obtains a wine direct shipper permit pursuant to this section may sell and ship wine directly to a resident of California, who is at least 21 years of age, for the resident’s personal use and not for resale.
Before sending any shipment to a resident of California, the wine direct shipper permitholder must:
(b) A wine direct shipper permit authorizes the permitholder to do all of the following: