Tenn. Code Ann. § 4-3-2707

On January 15, 2011, the department of intellectual and developmental disabilities, through its commissioner, shall have the authority to receive, administer, allocate, disburse and supervise any grants and funds from whatever sources, including, but not limited to, the federal, state, county and municipal governments on a state, regional, county or any other basis, with respect to any programs or responsibilities outlined in chapter 1100 of the Public Acts of 2010, or assigned to the department of intellectual and developmental disabilities by law, regulation or order. Exercise of this authority shall not be inconsistent with laws or regulations governing the appropriation and disbursement of funds as administered by the department of finance and administration.