In the 1956 case of Libson Shops, Inc. v. Koehler, District Director of Internal Revenue, the U.S Supreme Court ruled on a matter concerning tax law and corporate reorganization. The issue at hand was whether or not losses incurred by corporations prior to their merger could be used as deductions against consolidated net income post-merger for federal income tax purposes. Libson Shops had merged with several other corporations that had previously sustained losses and sought to deduct these from its own taxable income after the merger took place. The court held in favor of Koehler, ruling that each corporation should remain distinct for tax purposes until it has liquidated all gains and losses independently before merging into another entity's operations. This decision effectively disallowed Libson Shops' attempt to use pre-merger losses as post-merger deductions against consolidated net income.

In the dissenting opinion for Libson Shops, Inc. v. Koehler, Justice Frankfurter disagreed with the majority's decision to deny tax benefits to corporations undergoing reorganization under Section 112(b)(5) of the Internal Revenue Code. He argued that this section was designed specifically to provide relief from taxation in cases where a corporation is being reorganized and its shareholders are receiving stock in lieu of cash or other property. The majority interpreted this provision narrowly, arguing that it only applied when there was a continuity of business enterprise following the reorganization - something they believed did not occur in this case because each store operated independently after restructuring despite remaining under common ownership and control. However, Justice Frankfurter contended that such an interpretation ignored both legislative intent and previous court decisions which had allowed similar tax benefits even when businesses were separately managed post-restructuring.