Any person who holds a current license or registration to practice as a barber in any other state or district of the United States or country whose requirements for licensure or registration of barbers are substantially equivalent to the requirements of this chapter and rules adopted under it and that extends similar reciprocity to persons licensed as barbers in this state may apply to the state cosmetology and barber board for a barber license. The board shall, without examination, unless the board determines to require an examination, issue a license to practice as a licensed barber in this state if the person meets the requirements of this section, is at least eighteen years of age, and pays the required fees. The board may waive any of the requirements of this section.