- 15 - statement in his petition that he was contesting the validity of all the tax liabilities at issue in this case, petitioner did not argue at trial or in his posttrial briefs that respondent’s determination for 1999 was incorrect. Petitioner also failed to introduce any evidence at trial regarding his 1999 tax liability. Accordingly, we conclude that petitioner has abandoned his challenge to his 1999 tax liability. See, e.g., Bradley v. Commissioner, 100 T.C. 367, 370 (1993); Rybak v. Commissioner, 91 T.C. 524, 566 n.19 (1988). II. Petitioner’s Challenge to Respondent’s Determination To Proceed With the Collection Action In addition to his argument that respondent’s proposed collection action is overly intrusive because the assessments of petitioner’s tax liabilities are incorrect, petitioner argues that he should have been allowed to submit an offer-in- compromise.8 We review respondent’s determination to proceed with collection for abuse of discretion. Sego v. Commissioner, 114 T.C . at 610. 8Even if we had concluded that petitioner could challenge the validity of his 1995 and 1996 tax liabilities in this proceeding, petitioner would still not have prevailed. The documentation in the record upon which petitioner relied to substantiate his Schedule C expenses was not sufficient to prove that the expenses were deductible. Petitioner paid most of the expenses in connection with his efforts to start several new businesses during 1995 and 1996. Startup expenses resulting in an active trade or business generally are not deductible for a year earlier than the one in which such business begins. Sec. 195. Petitioner’s car expenses also were not deductible because petitioner failed to satisfy the substantiation requirement of sec. 274(d).Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Next
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