to pay for the wall. . (7) On January 10, 2017, General John Kelly, President-elect Trump’s nominee for Secretary of Homeland Security, stated during his Senate confirmation hearing, A physical barrier in and of itself—certainly as a military person that understands defense and defenses—a physical barrier in and of itself will not do the job, it has to be really a layered defense. . 3. Prohibition on use of certain Federal funds (a) In general (1) Federal prohibition Notwithstanding any other provision of law, no Federal department or agency, including the Department of Homeland Security, may obligate or expend any Federal funds (including any funds previously appropriated for such purpose or any fee revenue generated by the Department of Homeland Security or any other Federal department or agency) to carry out section 102 of the Illegal Immigration Reform and Immigrant Responsibility Act of 1996 ( 8 U.S.C. 1103 note) or any other related provision of law, or to otherwise build a border fence, related physical barriers or infrastructure, or wall along the southern border of the United States, including to carry out any activities related to such construction. (2) State prohibition Notwithstanding any other provision of law, a State that has received or receives any Federal funding in the form of a grant from the Department of Homeland Security or any other Federal department or agency may not use such funding to carry out section 102 of the Illegal Immigration Reform and Immigrant Responsibility Act of 1996 ( 8 U.S.C. 1103 note) or any other related provision of law, or to otherwise build a border fence, related physical barriers or infrastructure, or wall along the southern border of the United States, including to carry out any activities related to such construction. (3) Foreign payment required The President is authorized to enter into a binding, written, and enforceable treaty, approved by the Senate, with a foreign country to pay for the costs associated with carrying out section 102 of the Illegal