Minn. Stat. § 148G.16
Subd. 1. Reporting.
Any person, health care facility, business, or organization is immune from civil liability and criminal prosecution for submitting in good faith a report to the board under section 148G.15 or for otherwise reporting in good faith to the board violations or alleged violations of this chapter. All such reports are investigative data as defined in chapter 13.
Subd. 2. Investigation.