Michigan Compiled Laws, Chapter 700. Estates and Protected Individuals Code § 700.5206

Sec. 5206. (1) The court shall review a proposed limited guardianship placement plan filed with the court under section 5205  1 and shall do 1 of the following:

(2) A limited guardianship placement plan that has been approved by the court may be modified on agreement of the parties and approval of the court. A modified limited guardianship placement plan must be filed with the court.

(3) The voluntary suspension of parental rights under section 5205 does not prevent the parent or parents from filing a petition to terminate the limited guardianship at any time as provided in section 5208.  2 Appointment of a limited guardian under this section is a continuing appointment.

(4) A limited guardian appointed under this section has all of the powers and duties enumerated in section 5215  3 except that a minor's limited guardian shall not consent to adoption of the minor ward or to the release of the minor ward for adoption.