Mich. Comp. Laws § 168.506
A registered elector may, upon change of residence within the township or city, update his or her registration address by sending to the clerk a signed request stating his or her present address, the date he or she moved to that address, and the address from which he or she was last registered, or by updating his or her address in person. The clerk shall strike through the last address, ward, and precinct number and record the new address, ward, and precinct number on the master registration card. Transfers must not be made after the thirtieth day next preceding a regular or special election or primary election, unless the thirtieth day falls on a Saturday, Sunday, or legal holiday, in which event registration transfers must be accepted during the following day.
MCL 168.506