A diplomatic agreement, never embodied in law or treaty, regarding the immigration of Japanese into the United States, made in 1907 (confirmed in 1911) between the Japanese government (which guaranteed not to issue passports to laborers) and the U.S. Department of State (which promised to make recommendations against legislation excluding Japanese.)

君子协定(源自 1907 年[1911年认可]美国与日本所订关于日侨入美境的契约，此项契约从未列入法律或条约之内，其内容为日本政府保证不发给劳工入美的护照，同时美国政府允诺防止反对日侨移美之法律)。