(1)    Duties. The staff of the department of corrections shall provide community supervision services for juveniles as provided in s. 938.533. Subject to sub. (2), the staff of the department of corrections, the court, a county department, or a licensed child welfare agency designated by the court to carry out the objectives of this chapter shall:

      (a)    Supervise and assist a juvenile under a deferred prosecution agreement, a consent decree or an order of the court.

      (b)    Offer individual and family counseling.

      (c)    Make an affirmative effort, and investigate and develop resources, to obtain necessary or desired services for the juvenile and the juvenile’s family.

      (d)    Prepare reports for the court recommending a plan of rehabilitation, treatment and care.

      (dj)    Provide aftercare services for a juvenile released from a juvenile correctional facility or a secured residential care center for children and youth.

      (dm)    Take juveniles into custody under ss. 938.355 (6d) (a), (b) and (c) and 938.534 (1) (b) and (c).

      (e)    Perform any other court?ordered functions consistent with this chapter.

   (2)   Agency approval needed. Licensed child welfare agencies and the department of corrections shall provide services under this section only upon the approval of the agency from whom services are requested.

   (3)   Intake services. A court or county department responsible for disposition staff may agree with the court or county department responsible for providing intake services that the disposition staff may be designated to provide some or all of the intake services.

   (4)   Qualifications of disposition staff. Disposition staff employed to perform the duties specified in sub. (1) after November 18, 1978, shall have the qualifications required under the county merit system.