Minn. Stat. § 59B.08
Subd. 1. Generally.
The provider shall keep accurate accounts, books, and records concerning transactions regulated under this chapter.
The provider's accounts, books, and records include the following:
Subd. 2. Retention.
Subd. 3. Medium.
The records required by this chapter may be, but are not required to be, maintained on a computer disk or other record-keeping technology. If the records are maintained in other than hard copy, the records must be capable of duplication to legible hard copy at the request of the commissioner.