The contractor shall provide services upon the specific prior authorization issued by the Department. a. All services which require practice consistent with MO HealthNet (MHD) standards shall be provided in accordance with 13 CSR Chapter 70, the MHD manual, and MHD provider bulletins. b. All therapeutic services, including but not limited to, a medical and/or psychological diagnosis and prognosis shall be provided in accordance with generally accepted standards in the field of the individual performing the testing or assessment. c. For any therapeutic service requiring a diagnosis, the diagnosis shall be made in the format required by the most recent edition of the Diagnostic and Statistical Manual of the American Psychological Association (DSM). d. All non-therapeutic services shall be provided in accordance with the recommendations of a treatment plan to aid in promoting the preservation and reunification of children and families, supporting concurrent and post-permanency efforts, and the prevention of child abuse and neglect, or as otherwise identified by the Department. e. The contractor shall only provide the specific services and units of services up to the maximum allowable units of services as specified by the Department. 1) Any additional services beyond the maximum allowable units must be approved in writing by the Department before the services are provided. f. The Department shall have the sole authority to determine types, frequency and duration of authorized services. 3.3.2 The contractor shall provide authorized services at locations and times mutually agreeable to the contractor, the client and the client's case manager, unless other stated herein. 3.3.3 The contractor shall develop a written, individualized treatment plan for each family or individual receiving a service unless otherwise stated herein. The treatment plan shall include goals, objectives, and specific individual tasks to be completed. a. The contractor shall consult with the Department prior to making any changes to the treatment plan. Any change to the treatment plan shall be subject to the approval of the Department.