CFR Subpart I

19 C.F.R. § 123.81 Merchandise found in building on the boundary.

When any merchandise on which the duty has not been paid or which was imported contrary to law is found in any building upon or within 10 feet of the boundary line between the United States and Canada or Mexico, such merchandise shall be seized and a report of the facts shall be made to the Commissioner. With his approval the building or that portion thereof which is within the United States shall be taken down or removed. The provisions of subpart B of part 162, of this chapter shall be applicable to the search of any such building.

19 C.F.R. § 123.82 Treatment of stolen vehicles returned from Mexico.

Port directors shall admit without entry and payment of duty allegedly stolen or embezzled vehicles, trailers, airplanes, or component parts of any of them, under the provisions of The Convention between the United States of America and the United Mexican States for the Recovery and Return of Stolen or Embezzled Vehicles and Aircraft (Treaties and Other International Acts Series [TIAS] 10653), of June 28, 1983, if accompanied by a letter from the U.S. Embassy in Mexico City containing: (a) A statement that the Embassy is satisfied from information furnished it that the property is stolen property being returned to the U.S. under the provisions of the convention between the U.S. and Mexico concluded January 15, 1981, and (b) An adequate description of the property for identification purposes.