SEC. 7. _And be it further enacted_, That to secure the condemnation and sale of any of such property, after the same shall have been seized, so that it may be made available for the purpose aforesaid, proceedings _in rem_ shall be instituted in the name of the United States in any district court thereof, or in any Territorial court, or in the United States district court for the District of Columbia, within which the property above described, or any part thereof, may be found, or into which the same, if movable, may first be brought, which proceedings shall conform as nearly as may be to proceedings in admiralty or revenue cases; and if said property, whether real or personal, shall be found to have belonged to a person engaged in rebellion, or who has given aid or comfort thereto, the same shall be condemned as enemies' property and become the property of the United States, and may be disposed of as the court shall decree and the proceeds thereof paid into the Treasury of the United States for the purposes aforesaid. SEC. 8. _And be it further enacted_, That the several courts aforesaid shall have power to make such orders, establish such forms of decree and sale, and direct such deeds and conveyances to be executed and delivered by the marshals thereof where real estate shall be the subject of sale as shall fitly and efficiently effect the purposes of this act, and vest in the purchasers of such property good and valid titles thereto. And the said courts shall have power to allow such fees and charges of their officers as shall be reasonable and proper in the premises. SEC. 9. _And be it further enacted_, That all slaves of persons who shall hereafter be engaged in rebellion against the Government of the United States, or who shall in any way give aid or comfort thereto, escaping from such persons and taking refuge within the lines of the army, and all slaves captured from such persons or deserted by them and coming under the control of the Government of the United States, and all slaves of such persons found on [or] being within any place occupied by rebel forces and afterwards occupied by the forces of the United States, shall be deemed captives of war, and shall be forever free of their servitude, and not again held as slaves.