(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. All potatoes entering the seed potato isolation district must comply with the requirements of chapter 16-325 WAC including, but not limited to, the requirement that all potatoes entering the district, except those intended for immediate human consumption, must be tested and found negative for bacterial ring rot by an approved laboratory at origin.

(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.