Cal. Food & Agric. Code § 29120

Except as otherwise provided in Section 29121, no person shall import or transport into the state any comb, bees on comb, queen bees, package bees, bee semen, or any used hive or used appliance, unless each separate load, lot, or shipment is accompanied by a valid certificate prescribed by this article, and filed in a form and in the manner as set forth by the director, and unless the certificate is delivered to the commissioner of the county of destination or to the director, if there is no commissioner in the county, within 72 hours after the arrival of the load, lot, or shipment.