The K-1 visa allows foreign nationals engaged to American citizens to come to the United States for the purpose of performing the marriage. According to the rules governing the K-1 fiance visa, the couple has a 90 day window in which to marry. If the marriage is not completed within this period, the K-1 fiance visa expires, and the visitor must return to his or her native country. The 90 day period...

The H3 visa is a nonimmigrant visa which gives those seeking the opportunity to come to the United States to train in various disciplines the ability to do so. The training must serve the purpose of advancing the foreign national’s career somewhere other than in the United States, and must be a form of training unavailable in his home country. The training can cover virtually any field aside...