When an act is required or allowed to be done within a specified time, the court may for cause:
The court may not extend the time for taking any action under Rules 26.03, subd. 18(3); 26.04, subd. 1(3); or 26.04, subd. 3, or extend the time to appeal except as provided by Rules 28.02, subd. 4(3)(g); 29.03, subd. 3(f); and 29.04, subd. 2.
Minn. R. Crim. P. 34.02