A person intending to stay in the USA for a temporary amount of time is required to have a nonimmigrant visa. This visa is issued for a set number of years. Students, tourists, temporary workers, diplomats, etc. would qualify for this type of visa.
Notice of Action (Form I-797)
Applicants will receive a Notice of Action from USCIS if they received a petition, approved a petition or require further action to complete your application.