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Article IX [Rights granted the Federal Government]
Paragraphs 3, 4
All controversies concerning the private right of soil claimed under different grants of two or more States, whose jurisdictions as they may respect such lands, and the States which passed such grants are adjusted, the said grants or either of them being at the same time claimed to have originated ante-cedent to such settlement of jurisdiction, shall, on the petition of either party to the congress of the united States, be finally determined, as near as may be, in the same manner as is before prescribed for deciding disputes respecting territorial jurisdiction between different States.
The united States, in congress assembled, shall also have the sole and exclusive right and power of regulating the alloy and value of coin struck by their own authority, or by that of the respective States fixing the standard of weights and measures throughout the united States; regulating the trade and managing all affairs with the Indians, not members of any of the States; provided that the legislative right of any State, within its own limits, be not in-fringed or violated; establishing and regulating post-offices from one State to another, throughout all the United States, and exacting such postage on the papers passing through the same, as may be requisite to defray the expenses of the said office; appointing all officers of the land forces in the service of the united States, excepting regimental officers; appointing all the officers of the naval forces, and commissioning all officers whatever in the service of the united States; making rules for the government and regulation of the said land and naval forces, and directing their operations.