Every person applying for a user's license, or renewal thereof, under this chapter shall pay an annual license fee of fifty dollars. The director of labor and industries may adjust the amount of the license fee to reflect the administrative costs of the department. The fee shall not exceed two hundred dollars.
Said license fee shall accompany the application, and be transmitted by the department to the state treasurer: PROVIDED, That if the applicant is denied a user's license the license fee shall be returned to said applicant by registered mail.