If upon completion of an evaluation of a person under § 33-7-301, the department determines that the person meets the standards in § 33-7-401(2)(B), (C), and (D), and (3), the department shall attempt to develop a community-based services plan for the person for the purpose stated. The plan shall be for a maximum of two (2) years, and no person shall participate in the plan for more than two (2) years.