The main purpose of this legislative proposal is to change the rules regarding the deportation of non-citizens in the United States who have been convicted of certain crimes. Specifically, it aims to make any non-citizen who has been convicted of a felony or two misdemeanors subject to deportation. The key provision of this proposal is a new rule that states any non-citizen, referred to as an "alien," who has been convicted of a felony or two misdemeanors can be deported from the United States.