Revenue Code of 1986 are each amended by striking January 1, 2017 and inserting January 1, 2022 . (2) Phaseout Subsection (b) of section 45 of such Code is amended by adding at the end the following new paragraph: (6) Phaseout of credit for certain other facilities In the case of any facility described in paragraph (2), (3), (4), (6), (7), (9), or (11) of subsection (d), the amount of the credit determined under subsection (a) (determined after the application of paragraphs (1), (2), and (3) and without regard to this paragraph) shall be reduced by— (A) in the case of any facility the construction of which begins after the enactment of the Renewable Electricity Tax Credit Equalization Act and before January 1, 2018, 20 percent, (B) in the case of any facility the construction of which begins after December 31, 2017, and before January 1, 2019, 40 percent, and (C) in the case of any facility the construction of which begins after December 31, 2018, and before January 1, 2022, 60 percent. . (b) Effective date The amendments made by this section shall take effect on the date of the enactment of this Act.