; and (B) electricity generated by the combustion of municipal solid waste. (12) Retire and retirement The terms retire and retirement with respect to a Federal renewable electricity credit, mean to disqualify the credit for any subsequent use under this section, regardless of whether the use is a sale, transfer, exchange, or submission in satisfaction of a compliance obligation. (b) Annual compliance obligation Except as otherwise provided in subsection (f), for each of calendar years 2021 through 2039, not later than March 31 of the following calendar year, each retail electricity supplier shall submit to the Commission a quantity of Federal renewable electricity credits that represents a quantity of megawatt hours of renewable electricity that is at least equal to the annual target of the retail electricity supplier under subsection (d). (c) Establishment (1) In general Not later than 1 year after the date of enactment of this section, the Commission shall promulgate regulations to implement and enforce the requirements of this section. (2) Considerations In promulgating regulations under paragraph (1), the Commission shall, to the maximum extent practicable— (A) preserve the integrity and incorporate best practices of existing State and tribal renewable electricity programs; (B) preserve the integrity of voluntary renewable energy markets; (C) delegate to an appropriate market-making entity the administration of a national tradeable Federal renewable electricity credit market for purposes of creating a transparent national market for the sale or trade of Federal renewable electricity credits, relying on existing and emerging State, tribal, or regional tracking systems that issue and track non-Federal renewable electricity credits; and (D) cooperate with States and Indian Tribes— (i) to facilitate coordination between State, tribal, and Federal renewable electricity programs