In this chapter, the following definitions apply:

(1) Bureau.—The term “Bureau” means the Bureau of Transportation Statistics established by section 6302(a).

(2) Department.—The term “Department” means the Department of Transportation.

(3) Director.—The term “Director” means the Director of the Bureau.

(4) Library.—The term “Library” means the National Transportation Library established by section 6304(a).

(5) Secretary.—The term “Secretary” means the Secretary of Transportation.