On May 19, 2020, the Tax Court issued a Memorandum Opinion in the case of Joseph v. Commissioner (T.C. Memo. 2020-65). The issue before the court in Joseph v. Commissioner was whether a petitioners’ concessions in a stipulation of settled issues regarding capital gain and income could subsequently be used by the IRS to amend the IRS’s answer to a Tax Court petition, and if so, whether the stipulation should be modified or set aside