On February 16, 2021, the Tax Court issued a Memorandum Opinion in the case of Kramer v. Commissioner (T.C. Memo. 2021-16). The primary issues presented in Kramer v. Commissioner were whether the petitioners were in default and whether the IRS carried its various burdens of production and proof with respect to the deficiencies asserted. Background to Kramer v. Commissioner The petitioners are not what you would call “cooperative” or “responsible” taxpayers. Although they brought petition