This part may not be construed to alter, amend, diminish, or invalidate wind energy rights acquired by contract, agreement, or lease prior to April 21, 2011.
Mont. Code Ann. § 70-17-407, under Wind Energy Easements.
Mont. Code Ann. § 70-17-407
This part may not be construed to alter, amend, diminish, or invalidate wind energy rights acquired by contract, agreement, or lease prior to April 21, 2011.