随着美国紧缩签证政策,许多人希望通过第三国签证获得签证,但这方面的要求也越来越严格。第三国签证是指已经在美国的外国人可以在墨西哥或加拿大的领事馆申请非移民签证。从2002年4月1日开始,考虑到“9·11”事件,美国国务院采取了新的临时规定,禁止那些持有有效 I-94表但未获签证的第三国签证申请人在30天内再次进入美国。具体来讲,外国人仍然可以在墨西哥或 With the United States tightening visa policy, many people want to obtain visas through third country visas, but the requirements on this aspect are also becoming increasingly stringent. Third-country visas refer to foreigners already in the United States who can apply for a non-immigrant visa at a consulate in Mexico or Canada. Since April 1, 2002, considering the “9.11” incident, the U.S. Department of State has adopted new interim regulations prohibiting third-country visa applicants who have a valid I-94 form but have not obtained a visa. Reenter the United States within days. Specifically, foreigners can still be in Mexico or