25 CFR 170.461 - May a Tribe approve plans, specifications, and estimates?
An Indian Tribal government may approve plans, specifications and estimates and commence road and bridge construction with funds made available from the TTP through a self-determination contract, self-governance agreement, Program Agreement or other appropriate agreement, developed in accordance with 23 U.S.C. 202(b)(6) & (b)(7), if the Indian Tribal government:
(b) Obtains advance review of the plans and specifications from a State-licensed civil engineer that has certified that the plans and specifications meet or exceed the applicable health and safety standards;
(c) Provides a copy of the certification under paragraph (a) of this section to the Deputy Assistant Secretary for Tribal Government Affairs, Department of Transportation, or the Assistant Secretary - Indian Affairs, DOI, as appropriate; and