Tennessee Code Title 71. Welfare § 71-4-604

(b) Except as may be otherwise provided with respect to the blind, the division shall be the sole state agency to supervise and administer vocational rehabilitation services authorized by this part, under the state plan formulated and administered pursuant to this part, except such part or parts of the vocational rehabilitation services as may be administered in a political subdivision or subdivision of this state by a sole local agency of the subdivision, and the division shall be the sole agency to supervise such local agency or agencies in the administration of such part or parts of the vocational rehabilitation services.

(c) The director shall prepare, conformable to this part, the proposed regulations and a proposed state plan of vocational rehabilitation, and from time to time prepare such proposed changes as shall appear to be necessary or desirable. Upon approval of the proposed regulations and proposed state plan by the commissioner, such approved proposals shall constitute the state regulations and state plan.