(1) Prior notification is required. Persons shipping regulated articles as specified in WAC 16-470-710 into this state from areas under quarantine must notify the department's plant services program by sending via telefacsimile or other method a copy of the applicable phytosanitary certificate as described in subsection (2) of this section for each shipment. The phytosanitary certificate must state the nature and quantity of the shipment, its expected date of arrival at destination, the name of the intended receiver and the destination. The person to whom the commodities are shipped must hold the shipment until it is inspected and released by the department.

(2) Each shipment of regulated articles must be accompanied by a phytosanitary certificate from the state of origin certifying that the commodity, soil, or means of conveyance is treated with methods and procedures approved and prescribed by the director. Approved methods and procedures include those specified in the National Plant Board U.S. Domestic Japanese Beetle Harmonization Plan Appendix 1. Shipment to Category 1 States.

(3) Privately owned houseplants grown indoors may be allowed entry into this state if a department official inspects the plants and determines that they are free from Japanese beetle.