The county auditor shall allow independent or special school districts to use the necessary portions of the statewide registration system for school district elections. The county auditor may impose reasonable requirements to preserve the security and integrity of the system. The county auditor and the school district shall provide by agreement for the details of the use of the system by the school district. The school board may designate a member of the board or an employee as registration officer. The provisions of this chapter and chapter 203B relating to registration of voters apply to school district elections in which the statewide registration system is used.