; (B) managed by the office or the designee of the office that is— (i) responsible for the development of the plan under section 362 of that Act ( 42 U.S.C. 6322 ); and (ii) to the maximum extent practicable conducting an existing energy efficiency program; and (C) in the case of a grant made to an Indian tribe, managed by an entity designated by the Indian tribe to carry out a quality assurance program or a national quality assurance program manager. (2) Noncompliance If the Secretary determines that a State or Indian tribe has not provided or cannot provide adequate oversight over a quality assurance program to ensure compliance with this part, the Secretary may— (A) withhold further quality assurance funds from the State or Indian tribe; and (B) require that quality assurance providers operating in the State or by the Indian tribe be overseen by a national quality assurance program manager selected by the Secretary. (f) Implementation A State or Indian tribe that receives a grant under this section may implement a quality assurance program through the State, the Indian tribe, or a third party designated by the State or Indian tribe, including— (1) an energy service company; (2) an electric utility; (3) a natural gas utility; (4) a third-party administrator designated by the State or Indian tribe; or (5) a unit of local government. (g) Public-Private partnerships A State or Indian tribe that receives a grant under this section is encouraged to form partnerships with utilities, energy service companies, and other entities— (1) to assist in marketing a program; (2) to facilitate consumer financing; (3) to assist in implementation of the Home Energy Savings Retrofit Rebate Program, including installation of qualified home energy efficiency retrofits