On February 7, 2022, the Tax Court issued a Memorandum Opinion in the case of Williams v. Commissioner (T.C. Memo. 2022-7). The primary issues presented in Williams were (i) whether the disallowance of the petitioner’s deductions was warranted; and (ii) whether frivolous position penalty was warranted. A Brief Background of Williams v. Commissioner The IRS issued a notice of deficiency, in which it disallowed certain deductions claimed by the petitioner (Larry) in connection with his