The Secretary may develop the preliminary list from the comprehensive construction backlog and operation and maintenance reports developed pursuant to section 579a(b)(2) of this title.
For purposes of subparagraph (A), the Federal cost to complete shall take into account any allowances authorized by section 2280 of this title, as applied to the most recent project schedule and cost estimate.
The Secretary shall solicit comments from the public and the Governors of each applicable State on the proposed deauthorization list prepared under paragraph (2)(A).
The Secretary shall not include in the final deauthorization list submitted under paragraph (1) any project or separable element with respect to which Federal funds for planning, design, or construction are obligated after the development of the preliminary list under subsection (b)(1)(A) but prior to the submission of the final deauthorization list under paragraph (1)(A) of this subsection.
A project or separable element of a project may not be identified on the proposed deauthorization list developed under subsection (b), or the final deauthorization list developed under subsection (c), if the project or separable element received funding for a post-authorization study during the current fiscal year or any of the 10 preceding fiscal years.
For purposes of this section, if an authorized water resources development project or separable element of the project has been modified by an Act of Congress, the date of the authorization of the project or separable element shall be deemed to be the date of the most recent such modification.
Any water resources development project, or separable element of a project, authorized for construction prior to November 17, 1986, for which construction has not been initiated prior to December 27, 2020, or for which funds have not been obligated for construction in the 10-year period prior to December 27, 2020, is hereby deauthorized.