for full compliance with section 102(2)(C) of the National Environmental Policy Act of 1969 ( 42 U.S.C. 4332(2)(C) ). . 8. Nuclear reactor decommissioning (a) Rulemaking Chapter 14 of the Atomic Energy Act of 1954 ( 42 U.S.C. 2201–2210i ) is amended by adding at the end the following new section: 170J. Decommissioning nuclear reactor rulemaking The Commission shall, not later than 90 days after the date of enactment of this section, initiate a rulemaking proceeding, including notice and opportunity for public comment, to be completed not later than 48 months after that date, to address the regulatory framework for decommissioning nuclear reactors licensed under section 103 or 104b. . (b) Table of sections amendment The table of sections for chapter 14 of the Atomic Energy Act of 1954 is amended by adding at the end the following new item: Sec. 170J. Decommissioning nuclear reactor rulemaking. .