Departments or agencies of the United States shall not promulgate any regulation or make any decision or determination pursuant to the Act of June 18, 1934 (25 U.S.C. 461 et seq.,
[48 Stat. 984])
See References in Text note below.
as amended, or any other Act of Congress, with respect to a federally recognized Indian tribe that classifies, enhances, or diminishes the privileges and immunities available to the Indian tribe relative to other federally recognized tribes by virtue of their status as Indian tribes.