Minn. Stat. § 97B.811
A person may not erect a blind or place decoys in public waters or on public land more than one hour before the open season for waterfowl.
Except as provided in subdivisions 3 and 4, a person may not place decoys in public waters or on public lands more than two hours before lawful shooting hours for waterfowl.
During the open season for waterfowl, a person may not leave decoys in public waters between sunset and two hours before lawful shooting hours or leave decoys unattended during other times for more than three consecutive hours unless:
A person may not leave decoys in public waters between sunset and one hour before lawful shooting hours if the decoys constitute a navigational hazard.
During the duck season, the commissioner may, by rule, designate all or any portion of a wetland or lake closed to the use of motorized decoys or motorized devices designed to attract migratory waterfowl.
The commissioner may adopt rules for the use of blinds on public lands and public waters.
Minn. Stat. § 97B.811
1986 c 386 art 2 s 66; 1988 c 587 s 2; 1988 c 677 s 2; 1993 c 231 s 44; 2002 c 351 s 20; 2005 c 146 s 41, 42; 2009 c 176 art 2s 48, 49