In addition to the provisions of § 31-19-63, the Department of Transportation, board of county commissioners, or township board of supervisors may convey and transfer any highway right-of-way under the department's or board's jurisdiction to the federal government or to any Indian tribe without requiring payment therefor. The conveyance shall be made only after mutual agreement between the state, county, or township and the federal government or the Indian tribe. Each conveyance and transfer shall be held by the federal government or the Indian tribe for public highway purposes.
SDCL 31-19-63.1