(1) Upon a hearing under section 484, if the court finds that an individual under an order of involuntary mental health treatment is no longer a person requiring treatment, the court shall enter a finding to that effect and shall order that the individual be discharged.

  (2) Upon a hearing under section 484, if the court finds that an individual under a 1-year order of involuntary mental health treatment continues to be a person requiring treatment, and after consideration of complaints submitted under section 483(2), the court shall do 1 of the following:

  (a) Continue the order.

  (b) Issue a new continuing order for involuntary mental health treatment under section 472a(3) or (4).