‘Parole’ program tests limits of executive immigration powers President Obama plans to use parole authority to go around normal rules and try to admit thousands of entrepreneurs to the U.S., the administration announced Friday, once again testing the limits of executive power on immigration. Parole is usually used in specific humanitarian cases, such as temporarily admitting someone in dire need of medical treatment, but Mr. Obama argues it can also be used more broadly to try to boost the U.S. economy by letting wealthy entrepreneurs buy their way in.