George E. Johnson v. A. C. Jefferson and

Where in a claim arising under the workmens compensation act compensation was declared at an end and the rights of the parties were finally determined and fixed prior to the passage of L. 1933, c. 74, amending 1 Mason Minn. St. 1927, ? 4295, the commission has no authority to grant a new hearing under that section, since the substantive rights of the parties are affected.