(1) Bean seed must first be planted into an approved trial ground that meets the requirements of the department.

(2) Bean seed, up to a maximum of one pound per variety, may be planted in an approved trial ground intended for research purposes, with notification to the department, seed program, of intent to plant and adherence to the inspection procedures in WAC 16-301-425 and such isolation and other requirements as the director may prescribe.

(3) Bean seed over one pound, intended for introduction or seed increase, must first be planted in an approved trial ground not to exceed fifteen acres for each variety. The trial ground must be isolated from other beans by 1/4 mile. In addition, prior to planting, this bean seed must pass a laboratory/greenhouse test as recommended by the university; notification must be given to the department, seed program, of intent to plant; and inspection procedures in WAC 16-301-425 must be complied with for trial grounds.