Section 136.118 - Effect on existing rightsThe regulations in this part are not meant to and do not:
(a) Affect, modify, diminish, or otherwise impair the sovereign immunity from suit enjoyed by an Indian tribe;(b) Authorize, require or permit the termination of any existing trust responsibility of the United States with respect to the Indian people;(c) Permit significant reduction in services to Indian people as a result of this subpart.