(1) Any nonprofit organization defined in 39-51-1103, tribal unit, or governmental entity electing to become liable for payments in lieu of contributions shall file a written notice of its election with the department not later than 30 days immediately following the date of the determination of subjectivity to this chapter. This election must be for a period of not less than 2 years.
(2) Any nonprofit organization defined in 39-51-1103, tribal unit, or governmental entity that has been paying contributions for at least 2 tax years may change to payments in lieu of contributions by filing a written notice to that effect with the department within 30 days before the beginning of the tax year for which the change is effective.