Commissioner may conduct a background check of any individual seeking to serve as a representative payee under this subsection and may disqualify from service as a representative payee any such individual who fails to grant permission for the Commissioner to conduct such a background check. (II) The Commissioner may revoke certification of payment of benefits under this subsection to any individual serving as a representative payee on or after January 1, 2019, who fails to grant permission for the Commissioner to conduct such a background check. (xvii) The Commissioner of Social Security may grant an exemption from the provisions of clause (iii)(VI), if the Commissioner determines that such exemption is in the best interest of the individual entitled to such benefits, to any person who— (I) is the custodial parent of a minor child for whom the person applies to serve