the Council, may plan, design, and construct a building for the Museum, which shall be located at the site designated by the Board of Regents under this paragraph. (3) Nonapplicability of provisions relating to monuments and commemorative works Chapter 89 of title 40, United States Code, shall not apply with respect to the Museum. (b) Cost sharing The Board of Regents shall pay— (1) 50 percent of the costs of carrying out this section from Federal funds