42 U.S. Code § 5586 - Test procedures and performance criteria
The Secretary shall conduct a testing program for photovoltaic systems to assist in the development and demonstration of prototype photovoltaic systems, including collectors, controls, power conditioning, and energy storage systems.
Any photovoltaic component or system procured or installed by the Federal Government or procured or installed with Federal assistance under section 5584 or section 5585 of this title shall meet appropriate performance criteria prescribed under this section, if such performance criteria have been prescribed.
Section 5584 or section 5585 of this title, referred to in subsec. (d), was in the original “section (5) or section (6)” and was translated section 5584 or 5585 of this title as the probable intent of Congress.