interchange
(2) the term “interchange” means a land transfer in which the Secretary and another person exchange titles to lands or interests in lands of approximately equal value where the Secretary finds that such a value determination can be made without a formal appraisal and under such regulations as the Secretary may prescribe; and
Source
16 USC § 521c(2)
Scoping language
None identified, default scope is assumed to be the parent (subchapter I) of this section.