Any nonprofit organization which makes an election in accordance with § 61-5A-6 or 61-5A-7 or any political subdivision which makes an election in accordance with § 61-5A-5.2 will continue to be liable for payments in lieu of contributions until it files with the department a written notice terminating its election not later than thirty days prior to the beginning of the taxable year for which such termination shall first be effective.
SDCL 61-5A-8