49 C.F.R. § 1.32
The Office of the Assistant Secretary for Aviation and International Affairs is responsible for policy development, coordination, and evaluation of issues involving aviation, as well as international issues involving all areas of transportation; private sector evaluation; international transportation and transport-related trade policy and issues; regulatory and legislative initiatives and review of maritime/shipbuilding policies and programs; transport-related trade promotion; coordination of land transport relations with Canada and Mexico; economic regulation of the airline industry while placing maximum reliance on market forces and on actual and potential competition; the essential air service program and other rural air service programs; and, in coordination with the FAA, promotion of the aerospace industry. For delegations to the Assistant Secretary for Aviation and International Affairs, see § 1.25a(b) .
49 C.F.R. §1.32