and maintenance activities. . . (b) Effective date The amendment made by subsection (a) shall take effect as if included in the enactment of the CARES Act ( Public Law 116–136 ). 102. Funding for navigation (a) Funding for navigation Section 210 of the Water Resources Development Act of 1986 ( 33 U.S.C. 2238 ) is amended, in the section heading, by striking Authorization of appropriations and inserting Funding for navigation . (b) Operation and Maintenance of Harbor Projects Section 210(c) of the Water Resources Development Act of 1986 ( 33 U.S.C. 2238(c) ) is amended— (1) by amending paragraph (1) to read as follows: (1) In general For each fiscal year, of the funds made available under this section (including funds appropriated from the Harbor Maintenance Trust Fund), the Secretary shall make expenditures to pay for operation and maintenance costs of the harbors and inland harbors referred to in subsection (a)(2), using— (A) not less than 20 percent of such funds for emerging harbor projects, to the extent there are identifiable operations and maintenance needs, including eligible breakwater and jetty needs, at such harbor projects