There are a number of grounds of inadmissibility in the INA that can prevent the admission of noncitizens into the United States.

I. Grounds of Removal: Inadmissibility Versus Deportability

A noncitizen who’s either seeking admission into the United States from abroad or who’s already physically present in the country but who hasn’t ever been lawfully admitted may be denied admission based on what are known as grounds of inadmissibility. Inadmissibility grounds are set forth in...