Pub. L. 87-408, tit. III, sec. 311
Compromise of Penalties and Adjustment of Interest.—
Sec. 311. Compromise of Penalties and Adjustment of Interest.— The Commissioners shall have the power for cause shown to compromise any penalty which may be imposed under the provisions of this title. The Commissioners may adjust any interest, where, in their opinion, the facts in the case warrant such action.