This document summarizes a Tax Court case regarding Walter and Carol Selph's challenge to tax liabilities and penalties for tax years 1999, 2000, and 2001. The Tax Court found that the Selphs were entitled to challenge their underlying tax liabilities for those years. Additionally, the court found that the Selphs were liable for failure-to-pay penalties for 1999 but not 2000 and 2001 due to Mrs. Selph's health issues those years which constituted reasonable cause for failure to timely file.