On July 21, 2020, the Tax Court issued its opinion in Barnhill v. Commissioner (155 T.C. No. 1). The issue presented in Barnhill v. Commissioner is whether a taxpayer, who receives a Letter 1153 (Trust Fund Recovery Penalty (TFRP) Letter), and who timely appeals the TFRP, but who does not receive a meaningful opportunity to challenge his liability for the TFRP (because the taxpayer, for instance and as here, did not receive subsequent correspondence scheduling