shall not be taken into account as a private business use. . (2) Special rule for proceeds of transfers for mutual or cooperative electric companies Section 501(c)(12) is amended by adding at the end the following new subparagraph: (I) In the case of a mutual or cooperative electric company described in this paragraph or an organization described in section 1381(a)(2), income received or accrued in connection with an election under section 45J(e)(1) shall be treated as an amount collected from members for the sole purpose of meeting losses and expenses. . (c) Effective dates (1) Treatment of unutilized limitation amounts The amendment made by subsection (a) shall take effect on the date of the enactment of this Act. (2) Transfer of credit by certain public entities The amendments made by subsection (b) shall apply to taxable years beginning after the date of the enactment of this Act. 402. Enhancement of carbon dioxide sequestration credit (a) In general Section 45Q is amended to read as follows: 45Q. Credit for carbon oxide sequestration (a) General rule For purposes of section 38, the carbon oxide sequestration credit for any taxable year is an amount equal to the sum of— (1) $20 per metric ton of qualified carbon oxide which is— (A) captured by the taxpayer using carbon capture equipment which is originally placed in service at a qualified facility before the date of the enactment of the Tax Extender Act of 2017 , and (B) disposed of by the taxpayer in secure geological storage and not used by the taxpayer as described in paragraph (2)(B), (2) $10 per metric ton of qualified carbon oxide which is— (A) captured by the taxpayer using carbon capture equipment which is originally placed in service at a qualified facility before the date of the enactment of the Tax Extender Act of 2017 , and (B) (i) used by the taxpayer as a tertiary injectant in a qualified enhanced oil or natural gas recovery project and disposed of by the taxpayer in secure geological storage, or (ii) utilized by the taxpayer in a manner