; (B) reviewing registration requests, including any associated costs for personnel; and (C) otherwise carrying out this Act. (3) Refund If the Administrator has not completed a review of a complete pathway petition or registration request for which a fee has been assessed and collected pursuant to paragraph (1) by the date that is 18 months after the date of that collection— (A) the operator of a facility that submitted the pathway petition or registration request may request a refund of the fee; (B) not later than 90 days after receiving a request under subparagraph (A), the Administrator shall issue a full refund of the fee; and (C) the Administrator shall complete review and disposition of the pathway petition or registration request without imposing any further fee under this section for that process. (4) Waiver The Administrator may, at the discretion of the Administrator, waive the fee under paragraph (1)— (A) for an electric utility that is wholly owned by a State (including any political subdivision thereof) or an Indian Tribe; or (B) if the Administrator determines that the waiver is in the public interest. (d) Rulemaking on generation of credits (eRINs) for electricity from renewable biomass (1) Definition of registered party In this subsection, the term registered party means an electric utility with— (A) a fuel pathway approved by the Administrator under the renewable fuel program; and (B) a facility that— (i) produces electricity from renewable biomass; and (ii) is registered under the renewable fuel program. (2) Regulation required Subject to paragraph (4), the Administrator shall— (A) not later than 90 days after the date of enactment of this Act, promulgate a regulation providing for the generation of credits under section 211(o)(5) of the Clean Air Act ( 42 U.S.C. 7545(o)(5) ) for electricity produced from renewable biomass that is sold, distributed, or used as transportation fuel