Allocation of Controlled Group Research Credit

This document contains final and temporary regulations relating to the allocation of the credit for increasing research activities (research credit) to corporations and trades or businesses under common control (controlled groups)... This document also contains final and temporary regulations relating to the allocation of the railroad track maintenance credit and the election for a reduced research credit. The text of these temporary regulations also serves as the text of the proposed regulations (REG-133489-13) published in the Proposed Rules section in this issue of the Federal Register.