(1) Except as provided in WAC 16-482-015, all seed potatoes planted within the state for commercial or for seed production shall be certified seed, produced as a part of a certified seed potato program in the state or country of origin that meets the requirements of Article 4 of the State National Harmonization Program for seed potatoes.

(2) The department may sample and test any lot of seed potatoes or conduct field inspections for the purpose of testing and verification of compliance with this chapter.