Mich. Comp. Laws § 125.1484

Sec. 84. As used in this chapter, the term "surplus" shall not be deemed to include any increase in assets of any limited dividend housing corporation organized in accordance with the provisions of this chapter, by reason of reduction of mortgage, by amortization or similar payments or realized from the sale or disposition of any assets of a limited dividend housing corporation to the extent such surplus can be attributed to any increase in market value of any real property or tangible personal property accruing during the period the assets were owned and held by the limited dividend housing corporation.