_And be it also enacted_, That when a person held to labor in any of the United States, or in either of the Territories on the north-west or south of the River Ohio, under the laws thereof, shall escape into any other of the said States or Territory, the person to whom such labor or service may be due, his agent or attorney, is hereby empowered to seize or arrest such fugitive from labor, and to take him or her before any judge of the Circuit or District Courts of the United States, residing or being within the State, or before any magistrate of a county, city, or town corporate, wherein such seizure or arrest shall be made, and upon proof to the satisfaction of such judge or magistrate, either by oral testimony or affidavit taken before, and certified by, a magistrate of any such State or Territory, that the person so seized or arrested doth, under the laws of the State or Territory from which he or she fled, owe services or labor to the person claiming him or her, it shall be the duty of such judge or magistrate to give a certificate thereof to such claimant, his agent or attorney, which shall be sufficient warrant for removing the said fugitive from labor to the State or Territory from which he or she fled. _And he it further enacted_, That any person who shall knowingly and willingly obstruct or hinder such claimant, his agent or attorney, in so seizing or arresting such fugitive from labor, or shall rescue such fugitive from such claimant, his agent or attorney, when so arrested pursuant to the authority herein given or declared, or shall harbor or conceal such person after notice that he or she was a fugitive from labor as aforesaid, shall, for either of the said offences, forfeit and pay the sum of five hundred dollars. Which penalty may be recovered by and for the benefit of such claimant, by action of debt, in any court proper to try the same; saving, moreover, to the person claiming such labor or service, his right of action for or on account of the said injuries, or either of them. THE FUGITIVE SLAVE BILL OF 1850. SIGNED SEPTEMBER 18, 1850. _An Act to amend, and supplementary to the Act entitled "An Act respecting Fugitives from Justice, and Persons escaping from the Service of their Masters," approved February twelfth, one thousand seven hundred and ninety-three._