Application. Local departments shall accept and process requests for In-Home Aide Service by, or on behalf of, any individual or family. The local department shall assign requests for IHAS that do not come from a case manager in the local department or other social services agency to a case manager in the local department. If the case manager in a local department or other social service agency decides that IHAS services are needed, the case manager shall make a request for services to an IHAS supervisor on behalf of an eligible individual. The request shall include: An assessment of the individual's functional capacity, if required; A medical evaluation by the individual's physician, if required; A ranking scale scored according to Regulation .10F of this chapter; A copy of the service plan which the IHAS is required to complete; Income documentation; Documentation of eligibility; and An application for IHAS signed by the individual or individual's representative. A functional assessment, medical evaluation, or personal care plan is required if necessary to determine the amount and type of the IHAS to be delivered.