Minnesota Rules, 2017: most current as of 2018. More information available through MN Office of the Revisor of Statutes. Current edition may be held at Hennepin County Law Library. Georgetown Law Students may request for scans via Interlibrary Loan.
In Westlaw, see also historical regulations, currently proposed & adopted regulations, and regulation tracking which can be found on the state's Regulations page.
State registers and regulation tracking are offered by Lexis.
In Bloomberg Law, proposed, final, emergency, temporary, and interim rules, plus regulatory notices can be found under Rulemaking within a state's Regulatory and Administrative page.