To amend the Immigration and Nationality Act to clarify the admissibility and deportability of aliens acting in accordance with State and foreign marijuana laws, and for other purposes.

Maintaining Appropriate Protections for Legal Entry Act of 2018 or the MAPLE Act of 2018 This bill removes various marijuana-related acts from the list of crimes that would make an alien inadmissible for entry into the United States or deportable, if the act was lawful in the jurisdiction where it occurred.