agency, or instrumentality of the United States Government may provide goods or services to another department, agency, or instrumentality, used in the previous 6 months and in the year-to-date. This report shall include the amounts transferred and the purposes for which they were transferred, and shall not replace or modify existing notification requirements for each authority. 503. None of the funds made available by this Act may be used in contravention of Executive Order No. 12898 of February 11, 1994 (Federal Actions to Address Environmental Justice in Minority Populations and Low-Income Populations). 504. (a) None of the funds made available in this Act may be used to maintain or establish a computer network unless such network blocks the viewing, downloading, and exchanging of pornography. (b) Nothing in subsection (a) shall limit the use of funds necessary for any Federal, State, tribal, or local law enforcement agency or any other entity carrying out criminal investigations, prosecution, or adjudication activities. 505. None of the funds made available by this Act may be used to further implementation of the coastal and marine spatial planning and ecosystem-based management components of the National Ocean Policy developed under Executive Order No. 13547 of July 19, 2010. 506. None of the funds made available by this Act may be used for the removal of any federally owned or operated dam unless the removal was previously authorized by Congress. 507. None of the funds made available by this Act may be used to conduct closure of adjudicatory functions, technical review, or support activities associated with the Yucca Mountain geologic repository license application, or for actions that irrevocably remove the possibility that Yucca Mountain may be a repository option in the future. Spending reduction account 508. $0. This Act may be cited as the Energy and Water Development and Related Agencies Appropriations Act, 2018 .