; and (2) in subsection (e), as so redesignated— (A) in paragraph (1), by striking 2020 and inserting 2030 ; and (B) by striking paragraph (3). 105. Assumption of maintenance of a locally preferred plan Section 204(f) of the Water Resources Development Act of 1986 ( 33 U.S.C. 2232(f) ) is amended to read as follows: (f) Operation and maintenance (1) Assumption of maintenance Whenever a non-Federal interest carries out improvements to a federally authorized harbor or inland harbor, the Secretary shall be responsible for operation and maintenance in accordance with section 101(b) if— (A) before construction of the improvements— (i) the Secretary determines that the improvements are feasible and consistent with the purposes of this title; and (ii) the Secretary and the non-Federal interest execute a written agreement relating to operation and maintenance of the improvements; (B) the Secretary certifies that the project or separable element of the project is constructed in accordance with applicable permits and appropriate engineering and design standards