Cal. Health & Safety Code § 110460

No person shall engage in the manufacture, packing, or holding of any processed food in this state unless the person has a valid registration from the department, except those engaged exclusively in the storing, handling, or processing of dried beans. The registration shall be valid for one calendar year from the date of issue, unless it is revoked. The registration shall not be transferable. This section shall not apply to a cottage food operation that is registered or has a permit pursuant to Section 114365 or a microenterprise home kitchen, as defined in Section 113825.