The Support for United States-Republic of Korea Civil Nuclear Cooperation Act () is a bill that would authorize the President of the United States to extend the term of the Agreement for Cooperation between the Government of the United States of America and the Government of the Republic of Korea Concerning Civil Uses of Atomic Energy to a date no later than March 19, 2016. The extended agreement would allow the United States and South Korea to continue working on joint nuclear power projects. The bill passed both the House and the Senate during the 113th United States Congress. Provisions of the bill This summary is based largely on the summary provided by the Congressional Research Service, a public domain source. The Support for United States-Republic of Korea Civil Nuclear Cooperation Act would authorize the President to extend the term of the Agreement for Cooperation between the Government of the United States of America and the Government of the Republic of Korea Concerning Civil Uses of Atomic Energy to a date that is not later than March 19, 2016. The bill would direct the President to report to Congress every 180 days on the progress of negotiations on a new U.S.-Korea civil nuclear cooperation agreement. Congressional Budget Office report This summary is based largely on the summary provided by the Congressional Budget Office, as ordered reported by the Senate Committee on Foreign Relations on January 15, 2014. This is a public domain source. S. 1901 would authorize the President to extend the current nuclear cooperation agreement with the Republic of Korea for up to two years. That agreement is scheduled to expire in March of 2014. Under the Atomic Energy Act of 1954, such agreements are required for U.S. companies to be permitted to export commercial nuclear materials, technologies, and services to foreign nations. Extending the agreement would maintain ongoing civil nuclear cooperation with the Republic of Korea, and allow joint commercial activities to continue. The Congressional Budget Office (CBO) estimates that the issuance of export licenses and continued certification and reporting requirements under the two-year extension would cost less than $500,000 over the 2014-2019 period, subject to the availability of appropriated funds. Enacting S. 1901 would not affect direct spending or revenues; therefore, pay-as-you-go procedures do not apply. S. 1901 contains no intergovernmental or private-sector mandates as defined in the Unfunded Mandates Reform Act and would not affect the