; (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; and (4) to assist in implementing quality assurance programs. (h) Coordination of rebate and existing state-Sponsored programs (1) In general A State or Indian tribe shall, to the maximum extent practicable, prevent duplication through coordination of a program authorized under this part with— (A) the Energy Star appliance rebates program authorized under the American Recovery and Reinvestment Act of 2009 ( Public Law 111–5 ; 123 Stat. 115); and (B) comparable programs planned or operated by States, political subdivisions, electric and natural gas utilities, Federal power marketing administrations, and Indian tribes. (2) Existing programs In carrying out this subsection, a State or Indian tribe shall— (A) give priority to— (i) comprehensive retrofit programs in existence on the date of enactment of this Act, including programs under the supervision of State utility regulators; and (ii) using funds made available under this part to enhance and extend existing programs; and (B) seek to enhance and extend existing programs by coordinating with administrators of the programs. 32110. Quality assurance program (a) Plan As part of a grant application described in section 32109(b), a State or Indian tribe shall submit to the Secretary a plan to implement a quality assurance program that covers all federally assisted residential efficiency retrofit work administered, supervised, or sponsored by the State or Indian tribe. (b) Implementation The State or Indian tribe shall— (1) develop a quality assurance program in consultation with industry stakeholders, including representatives of efficiency program managers, contractors, and environmental, energy efficiency, and labor organizations