Minn. Stat. § 53A.09: POWERS; LIMITATIONS; PROHIBITIONS.

Subdivision 1. Deposits; escrow accounts.

A currency exchange may not accept money or currency for deposit, or act as bailee or agent for persons, firms, partnerships, associations, or corporations to hold money or currency in escrow for others for any purpose. However, a currency exchange may act as agent for the issuer of money orders or travelers' checks.

Subd. 2. Gambling establishments.

A currency exchange located on the premises of a gambling establishment as defined in section 142A.13, subdivision 14, may not cash a warrant that bears a restrictive endorsement under section 256.9831, subdivision 3.