(1) Trees may be registered as rootstock and scion sources for the propagation of certified nursery stock when inspected, tested and found to be discernibly free from harmful virus and virus-like diseases and other conditions by procedures outlined in this program.

(2) Issuance of a certified state of Washington plant tag, stamp or other document under this chapter means only that the tagged, stamped or otherwise documented fruit tree or fruit tree related ornamental stock and rootstock have been subjected to procedures and requirements described in this chapter and determined to be in compliance with its standards and requirements. The department disclaims all express or implied warranties, including without limitation implied warranties of merchantability and fitness for particular purpose, regarding all plants, plant parts, and plant materials under this chapter.

(3) The department is not responsible for disease, genetic disorders, off-type, failure of performance, mislabeling or otherwise, in connection with this chapter. No grower, nursery dealer, government official, or other person is authorized to give any expressed or implied warranty, or to accept financial responsibility on behalf of the department regarding this chapter.

(4) Participation in the fruit tree planting stock certification program is voluntary.