This document contains final and temporary regulations that provide guidance regarding the distribution of stock of a controlled corporation acquired in a transaction described in section 355(a)(3)(B) of the Internal Revenue Code (Code). This action is necessary in light of amendments to section 355(b). These temporary regulations will affect corporations and their shareholders. The text of these temporary regulations also serves as the text of the proposed regulations set forth in the notice of proposed rulemaking on this subject in the Proposed Rules section in this issue of the Federal Register.