United Nations Transparency, Accountability, and Reform Act of 2013

[AI summary unavailable — showing source text] United Nations Transparency, Accountability, and Reform Act of 2013 - Directs the President to use U.S. influence at the United Nations (U.N.) on a wide variety of issues, including to shift the funding mechanism for the regular budget of the U.N. from an assessed to a voluntary basis. Withholds up to 50% of nonvoluntary U.S. contributions to the regular budget of the U.N. unless the Secretary of State certifies to Congress that 80% of the total regular budget of the U.N. is apportioned on a voluntary basis. Requires the annual congressional budget justification to include a detailed itemized request in support of the U.S. contribution to the regular budget of the U.N. Sets forth requirements for the Secretary of State with respect to oversight of U.S. contributions to the U.N. and their use by U.N. entities. Prohibits the obligation or expenditure of a U.S. contribution to any U.N. entity unless the entity has provided the Secretary with a transparency certification and is in compliance with it. Prohibits the use of funds made available: (1) for international organizations for any purpose other than an assessed U.S. contribution to a U.N. entity or other international organization…