A person to be eligible for examination as an instructor must (a) have a knowledge of the special problems of persons who are blind or visually impaired and how to teach them,
(b) be able to demonstrate by actual blindfold test under traffic conditions his or her ability to train guide dogs with whom persons who are blind or visually impaired would be safe, (c) be suited temperamentally and otherwise to instruct
persons who are blind or visually impaired in the use of guide dogs, and (d) have had at least three years’ actual experience, comprising such number of hours as the board may require, as an instructor, and have handled 22 person-dog
units; or its equivalent, as determined by the board, as an apprentice under a licensed instructor or under an instructor in a school satisfactory to the board.