Minn. Stat. § 168E.03
Subd. 1. Retail delivery fee imposed.
(b) If the retailer collects the fee from the purchaser:
Subd. 2. Multiple items or shipments.
The fee imposed under subdivision 1 is imposed once per transaction regardless of the number of shipments necessary to deliver the items of tangible personal property purchased or of the number of items of tangible personal property purchased.
Subd. 3. Returns and cancellations.
The fee imposed under subdivision 1 is nonrefundable if any or all items purchased are returned to a retailer or if the retailer provides a refund or credit in the amount equal to or less than the purchase price. The fee must be refunded to the purchaser if the retail delivery is canceled by the purchaser, retailer, or delivery provider.