agreements issued under section 682), shall provide training and technical assistance to States with respect to the development or implementation of the States’ corrective action plans. (7) Prohibitions Nothing in this Act shall be construed to permit the Secretary (through regulation, guidance, grant criteria, or otherwise) to expand the authority of the Secretary beyond that expressly provided to the Secretary in this Act. (b) Determination of local agency failure To comply (1) Corrective action by local agencies If the State determines, on the basis of a review pursuant to section 683 or section 685, that there is a serious deficiency regarding an eligible entity’s compliance with this subtitle, the State shall inform the entity of the serious deficiencies that shall be corrected and provide technical assistance for the corrective action. (2) Local corrective action plans An eligible entity that is found to have a serious deficiency under paragraph (1) shall develop, in a timely manner, a corrective action plan that shall be subject to the approval of the State, and that shall specify— (A) the deficiencies to be corrected