Mich. Comp. Laws § 324.82115
A dealer or manufacturer, upon application to the department of state upon forms provided by it, may obtain certificates of registration for use in the testing or demonstrating of snowmobiles upon payment of $10.00 for each of the first 2 registration certificates. Additional certificates as the dealer may require may be issued at a cost of $5.00 each and used by the applicant only in the testing or demonstrating of snowmobiles by temporary placement of the registration decal on the snowmobile being tested or demonstrated. Any 1 certificate issued pursuant to this section may be used on only 1 snowmobile at any given time. The temporary placement of registration decals shall be as prescribed by this part or rules promulgated under this part.
MCL 324.82115