; (G) guidelines specifying that electric utilities and gas utilities shall provide certification of adherence to the latest Green Button Connect My Data standard by an independent body on a periodic interval, as recommended by the Secretary; (H) guidelines specifying that Green Button Connect My Data system availability shall exceed 99-percent availability without severe errors or defects; (I) guidelines specifying that electric utilities and gas utilities shall report on a publicly available website the timeliness and performance of the processing of electronic data-sharing authorizations and the timeliness of completing third-party administrative and technical onboarding with an electric utility or gas utility, including recommendations from the Secretary as to whether electric utilities and gas utilities, or State or Federal agencies, should host such publicly available websites; (J) guidelines specifying that— (i) electric meter app stores shall have terms that are fair, reasonable, and nondiscriminatory to any user; (ii) software developers and distributed energy resources that use electric meter app stores or retail electric customer information shall— (I) have access to platform software documentation; and (II) be afforded due process rights with regard to disputes concerning functionality; (iii) owners or operators of electric meter app stores shall address fair competition issues, including self-preferencing, surveillance of competitive software applications, and undue use of default software applications that have the effect of reducing consumer choices; and (iv) electric meter app stores shall include metrics for applicable retail regulatory authorities to require of electric utilities, including, at a minimum— (I) system availability; (II) number and type of errors and the severity of those errors; and (III) time expended to conduct technical software reviews