# [§ 54. Repealed. Pub. L. 115–97, title I, § 13404(a), Dec. 22, 2017, 131 Stat. 2138]
Section, added , , ; amended , title IV, § 402(c)(1), , , 2610; , , ; , title II, § 202(a), , , 2944; , , ; , title XV, § 15316(c)(1), , , 2273; , , ; , §§ 1531(c)(3), 1541(b)(1), , , 362; , , , related to credit to holders of clean renewable energy bonds.
## Statutory Notes and Related Subsidiaries
### Effective Date of Repeal
> “The amendments made by this section [amending this section and sections 6211 and 6401 of this title and repealing this section and sections 54A to 54F, 54AA, 1397E, and 6431 of this title] shall apply to bonds issued after
>
> .”
, , , provided that:
### Regulations
, , , provided that the Secretary of the Treasury was to issue regulations required under former not later than 120 days after .