SEC. 2. And be it further enacted, That it shall be lawful for the President of the United States, whenever he may deem it necessary (for the public safety, to order to be removed out of the territory thereof, any alien who mayor shall be in prison in pursuance of this act; and to cause to be arrested and sent out of the United States such of those aliens as shall have been ordered to depart therefrom and shall not have obtained a license as aforesaid, in all cases where, in the opinion of the President, the public safety requires a speedy removal. And if any alien so removed or sent out of the United Slates by the President shall voluntarily return thereto, unless by permission of the President of the United States, such alien on conviction thereof, shall be imprisoned so long as, in the opinion of the President, the public safety may require.
