This report discusses World Trade Organization (WTO) safeguards provisions contained in Article XIX of the General Agreement on Tariffs and Trade (GATT) and the Agreement on Safeguards; the WTO China-specific safeguard and how it differs from preexisting WTO provisions; authorities and procedures set out in Section 421 of the Trade Act of 1974; the International Trade Commission (ITC) determination and the President's decision to provide relief in the 2009 China tires case; and China's WTO case against the U.S. tire safeguard.