Abstract: According to the State Department, the U.S. currently faces a shortfall of $391 million in its Contributions for International Peacekeeping Activities (CIPA) account, which pays the U.S. share of 18 U.N. peacekeeping missions worldwide. If additional funds are not provided, total U.S. arrears may reach $1 billion by FY2008. Citizens for Global Solutions details the background on the peacekeeping cap, what happens when the U.S. falls behind on its payments, and how UN Peacekeeping benefits the U.S.