Pub. L. 92-178, tit. V, pt. IV, subpt. A, sec. 991
TAXATION OF A DOMESTIC INTERNATIONAL SALES CORPORATION.
“SEC. 991. TAXATION OF A DOMESTIC INTERNATIONAL SALES CORPORATION.“For purposes of the taxes imposed by this subtitle upon a DISC (as defined m section 992(a)), a DISC shall not be subject to the taxes imposed by this subtitle except for the tax imposed by chapter 5.