Unless otherwise qualified, a person must be admitted to certification as a soil classifier-in-training, which certification is valid for four years, if the person is:

1. A graduate of a soils curriculum approved by the board and has passed an examination in the fundamentals of soil classification; or

2. An applicant who has completed a soils curriculum not approved by the board and who has a specific record of four years of soil classification experience of a grade and character satisfactory to the board and who passes an examination in the fundamentals of soil classification.