; congressional review (1) In general After the expiration of the 2-year period beginning on the date of publication of the final deauthorization list and appendix under subsection (c)(1)(B), a project or separable element of a project identified in the final deauthorization list is hereby deauthorized, unless Congress passes a joint resolution disapproving the final deauthorization list prior to the end of such period. (2) Non-Federal contributions (A) In general A project or separable element of a project identified in the final deauthorization list under subsection (c) shall not be deauthorized under this subsection if, before the expiration of the 2-year period referred to in paragraph (1), the non-Federal interest for the project or separable element of the project provides sufficient funds to complete the project or separable element of the project. (B) Treatment of projects Notwithstanding subparagraph (A), each project and separable element of a project identified in the final deauthorization list shall be treated as deauthorized for purposes of the aggregate deauthorization amount specified in subsection (b)(2)(A). (3) Projects identified in appendix A project or separable element of a project identified in the appendix to the final deauthorization list shall remain subject to future deauthorization by Congress. (e) Special rules (1) Post-authorization studies 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. (2) Treatment of project modifications 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