Michigan Compiled Laws, Chapter 421. Employment Security § 421.13i

(a) Is, or becomes subject to this act after December 31, 1974, shall make reimbursement payments in lieu of contributions as a reimbursing employer for not less than 2 calendar years beginning January 1, 1975, unless it elects to pay contributions as a contributing employer pursuant to section 13.  2

(b) Becomes subject to this act on or after January 1, 1975, may elect to become a contributing employer beginning with the calendar year which contains the day when it becomes subject to this act by filing a written notice of its election with the commission not later than 30 days after the date of determination that it was subject to this act.

(c) Pays contributions under this act for a period after January 1, 1975, may elect to become a reimbursing employer by filing a written notice of the election with the commission not later than 30 days before the beginning of a calendar year for which the election is to be effective. The election may not be terminated for the calendar year with respect to which the election is made and the following calendar year.

(d) Becomes a reimbursing employer under subdivision (a) or elects to become a reimbursing employer in accordance with subdivision (c), shall continue to be liable for reimbursement payments in lieu of contributions until it files with the commission a written notice terminating its status as a reimbursing employer and electing to become a contributing employer. The notice may not be filed later than 30 days before the beginning of the calendar year when the termination and election is to be effective. After the effective date of termination, the governmental entity shall be considered a newly liable employer for the purposes of section 19(a). 3