Denial of Entry 

Prospective immigrants and nonimmigrants must establish that they are admissible to enter the U.S. An individual must not fall under any of the grounds of inadmissibility found in the INA § 212(a) or they will be denied entry. There are many grounds of of inadmissibility. Below are a list of the most commonly encountered:

 Immigration Violation Grounds

Prior Immigration Violations

Unlawful Presence

Health Related Grounds 

Criminal Grounds

Miscellaneous