Any person desiring to take the examination for or to secure a license to practice optometry in this state shall file with the secretary of the board a written application in the form prescribed by the board. An application for admission by examination must be filed at least fifteen days before the date of the examination. The applicant also shall furnish satisfactory proof that the applicant:
The applicant shall pay to the secretary of the board a registration fee of a reasonable sum fixed by the board.
N.D.C.C. § 43-13-17