(1)  Inspections will be made only by the Montana department of agriculture and at times when specific diseases are most likely to be expressed.

(2)  Inspection of Nursery Stock for Certification. At least one visual inspection shall be made of nursery rootstock in a planting for certification during the first growing season. At the request of the department any undesirable rootstock shall be rogued before propagation. At least two visual inspections shall be made of nursery stock during the growing season following bud or graft placement.

The department shall refuse certification in part or all of a planting if plants have been propagated from registered trees determined to be affected by a virus or virus-like disease or if other requirements of this program have not been met.