Minn. Stat. § 3.103

Each member of the legislature, during a special session, shall be reimbursed for expenses incurred in the performance of duties in the same amounts, for the same purposes, and in the same manner as authorized for senators and members of the house of representatives at the last regular session before the special session. Reimbursement for travel shall not exceed one round trip per member for each seven calendar days in which the legislature meets in the special session.