United States v. Frerichs (124 U.S. 315…
“ The commissioner of internal revenue, subject to regulations prescribed by the secretary of the treasury, is authorized, on appeal to him made, to remit, refund, and pay back all taxes erroneously or illegally assessed or collected, all penalties collected without authority, and all taxes that appear to be unjustly assessed, or excessive in amount, or in any manner wrongfully collected ”
