; or (2) false information regarding the shipment that was provided to the carrier by a foreign postal operator or the United States Postal Service. . (g) Limitation on international postal arrangements (1) Existing agreements (A) In general In the event that any provision in this section is found to be in violation of obligations of the United States under the Universal Postal Union, the Secretary of State shall negotiate to amend the relevant provisions of the agreement so that the United States is no longer in violation of the agreement. (B) Construction Nothing in this subsection may be construed to require or permit any delay in the implementation of this section. (2) Future agreements The Secretary of State may not conclude any international postal arrangement pursuant to the authority set out in section 407 of title 39, United States Code, that is inconsistent with this section or any amendment made by this section. (h) Application of other customs laws (1) In general U.S. Customs and Border Protection shall ensure that all merchandise, as that term is defined in subsection (c) of section 498 of the Tariff Act of 1930 ( 19 U.S.C. 1498 ), imported to the United States through the mail shall be subject to the same import procedures, legal restrictions, and certifications as merchandise imported by private carriers. (2) Regulations The Secretary of the Treasury shall issue regulations pursuant to this section to ensure that merchandise imported through the mail is in accordance with Federal law. (i) Cost recoupment The Postmaster General shall ensure that all costs associated with complying with this section, as well as all penalties assessed against the Postmaster General, are charged directly to foreign shippers, foreign postal operators, or United States ultimate consignees. (j) Effective date