- 6 - amount of a deductible expense only when the taxpayer provides evidence sufficient to establish a rational basis for making the estimate. See Vanicek v. Commissioner, 85 T.C. 731, 743 (1985). A. Legal Expenses, Supplies, Insurance, Taxes and Licenses, Oil and Gas With respect to the deductions claimed for legal expenses, supplies, insurance, taxes and licenses, and oil and gas, petitioner’s evidence consisted of a spreadsheet listing the numbers he put on his return.2 Petitioner did not testify as to these items nor submit any receipts to verify his payment of the expenses in 2002. See secs. 446(a), (c), 461(a), 6001. Without more, the Court finds that petitioner has not adequately substantiated the deductions and that he has failed to provide sufficient evidence for the Court to make a rational estimate. Therefore, the deductions are not allowable, and respondent’s determinations are sustained. B. Parking and Tolls Generally, a taxpayer may deduct the cost of operating an automobile to the extent that it is used in a trade or business. See Rev. Proc. 2002-61, 2002-2 C.B. 616. Parking fees and tolls may be deducted as separate items. Id. Petitioner’s evidence consisted of his spreadsheet. He failed to present any receipts 2 With respect to his spreadsheet, petitioner testified that he used his expenses from 2004 to generate “reasonable expenses” for 2002 since his records for 2002 were allegedly destroyed in a fire in 2006.Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: March 27, 2008