Regulated articles, as listed in WAC 16-487-310, grown in the areas under quarantine, as listed in WAC 16-487-320, may be permitted entry into the state if the plant protection organization of the state in which the planting stock was grown issues a certificate verifying that both of the following requirements have been met:

(1) Each species and variety is properly labeled as to scientific name and state of origin.

(2) The planting stock was produced in accordance with an official certification program of the state in which it was grown. The official certification program must include inspection and indexing for peach rosette mosaic virus.