(a) Examinations shall be held at least six (6) times a year at a time and place designated by the board.
(b) The examinations shall not be confined to any specific method or system, may consist of written, oral and performance examinations and shall be of such scope and character as to disclose that any person passing the examination is qualified to receive a cosmetologist, manicurist or nail technician, esthetician, hair stylist or instructor license.