25 C.F.R. § 170.100
What do the terms “consultation,” “collaboration,” and “coordination” mean?
Cite as 25 C.F.R. § 170.100 (2025)
(a)
Consultation
means government-to-government communication, carried out in accordance with applicable Executive Orders, in a timely manner by all parties about a proposed or contemplated decision. The Departments' Consultation Policies and Plans can be found at
http://www.indianaffairs.gov/WhoWeAre/AS-IA/Consultation/Templates/index.htm
(DOI) or
http://www.fhwa.dot.gov/tribal/news/consultation.htm
(DOT)
(b)
Collaboration
means that all parties involved in carrying out planning and project development work together in a timely manner to achieve a common goal or objective.
(c)
Coordination
means that each party:
(1) Shares and compares in a timely manner its transportation plans, programs, projects, and schedules with the related plans, programs, projects, and schedules of the other parties; and
(2) Adjusts its plans, programs, projects, and schedules to optimize the efficient and consistent delivery of transportation projects and services.