Matter of Garcia-Flores, 17 I. & N. Dec. 325 (BIA 1980) ("Where the rights of individuals are affected, it is incumbent upon agencies to follow their own procedures, even where the internal procedures are possibly more rigorous than otherwise would be required.; Morton v. Ruiz, 415 U.S 199, 235 (1974).").  See also United States v. Caceres, 440 U.S. 741 (1979); Bridges v. Wixon, 326 U.S 135, 152-153 (1945).