On April 2, 2020, the Tax Court issued a 163-page Memorandum Opinion in the case of Goldberg v. Commissioner (T.C. Memo. 2020-38). The issues properly before the court in Goldberg v. Commissioner were whether Form 4549 (Income Tax Examination Changes) is a binding contract and whether the interest under IRC § 6404(e)(1) should be abated. A number of other issues including collateral and equitable estoppel were raised, but the Tax Court found that they were