No services funded under the authority of this article shall be provided to:

1. Persons whose primary impairment is mental illness, intellectual disability, or substance abuse, except by cooperative agreement with the local community services board established pursuant to Chapter 5 (§ 37.2-500 et seq.) of Title 37.2 or the behavioral health authority established pursuant to Chapter 6 (§ 37.2-600 et seq.) of Title 37.2 when that board or authority is currently offering the same services; or