allowed under this section shall be made not later than the due date for the return of tax for the electing taxpayer’s taxable year with respect to which the credit was determined. (B) No further transfers No election may be made under this paragraph by a taxpayer with respect to any portion of the credit allowed under this section which has been previously transferred to such taxpayer under this subsection. (6) Treatment of transfer under private use rules For purposes of section 141(b)(1), any benefit derived by an eligible project partner in connection with an election under this subsection shall not be taken into account as a private business use. (7) Additional election requirements The Secretary may prescribe such regulations as may be appropriate to carry out the purposes of this subsection, including— (A) rules for determining which persons are eligible project partners with respect to any energy property, and (B) requiring information to be included in an election under paragraph (1) or imposing additional reporting requirements. . (2) Normalization rules Section 50(d) of such Code is amended by adding at the end the following: In the case of any energy property with respect to which an election is made under section 48(e)(1), the rules of the section 46(f) referred to in paragraph (2) shall apply only to the extent of amounts paid in consideration of the transfer to which such election relates. (c) Special rule for proceeds of transfers for mutual or cooperative electric companies Section 501(c)(12)(I) of such Code is amended by striking 45J(e)(1) and inserting 45(e)(12), 45J(e)(1), or 48(e)(1) . (d) Effective date The amendments made by this section shall apply to taxable years beginning after the date of the enactment of this Act.