; (B) apply to commercial goods sent to the United States from a country that exports such commercial goods to the United States in quantities that have a significant competitive effect on business concerns within the United States; (C) discriminate between documents or goods received from a specific country based on the ownership or governmental designation of the entity tendering the documents or goods to the Postal Service; or (D) be effective for more than 4 years. (3) At least 120 days prior to concluding negotiations with respect to any treaty, convention, amendment, or other intergovernmental agreement (including any regulation of the Universal Postal Union binding on the United States Government) that proposes to establish a preferential classification, rate, or fee pursuant to paragraph (1), the Secretary of State shall submit the proposed classification, rate, or fee to the Postal Regulatory Commission for review together with a written statement explaining why it is in the foreign policy or national security interest of the United States to provide such preference (provided that the Secretary may designate portions that shall be kept confidential for reasons of foreign policy or national security for a period not exceeding 4 years). (4) Promptly after receiving a request under paragraph (3), the Commission shall provide notice and an opportunity for public comment in conformance with the rulemaking requirements of section 553 of title 5, United States Code. The Commission may also provide for an evidentiary hearing on the record if it considers such a hearing necessary. In its review, the Commission shall determine whether the proposed classification, rate, or fee is— (A) reasonably calculated to achieve the foreign policy or national security objectives defined by the Secretary in a manner that is as consistent as possible with the national policies established in subsection (a)