United States. Congress, Enabling Act of 1802
“ Provided always, that the three foregoing propositions herein offered are on the conditions that the convention of the said State shall provide, by an ordinance irrevocable without the consent of the United States, that every and each tract of land sold by Congress from and after the thirtieth day of June next, shall be and remain exempt from any tax laid by order or under authority of the State, whether for State, county, township, or any other purpose whatever, for the term of five years from and after the day of sale. ”
