- 10 - 838 (1973); Commissioner v. Flowers, 326 U.S. 465 (1946); secs. 1.162-2(e), 1.262-1(b)(5), Income Tax Regs. Automobile mileage deductions are also subject to the strict substantiation requirements of section 274(d). Transportation expenses between a home office and another place of business, however, may be deductible if the home office is the taxpayer’s principal place of business. Strohmaier v. Commissioner, 113 T.C. 106, 113-114 (1999); Curphey v. Commissioner, 73 T.C. 766, 777-778 (1980); Gosling v. Commissioner, T.C. Memo. 1999-148. Where a taxpayer shows that his automobile expenses satisfy the requirements of section 162 but fails to establish that his records satisfy the heightened substantiation requirements of section 274(d), the expenses will not be allowed. To substantiate such expenses, the taxpayer must provide the following adequate records or sufficient evidence to corroborate his own testimony: (1) The amount of the expenditures; (2) the mileage for each business use of the automobile and the total mileage for all use of the automobile during the taxable period; (3) the date of the business use; and (4) the business purpose for the use of the automobile. Sec. 1.274-5T(b)(6), Temporary Income Tax Regs., 50 Fed. Reg. 46016 (Nov. 6, 1985). For the reasons discussed supra, petitioner’s residence was not his principal place of business. Even if petitioner hadPage: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 10, 2007