- 23 - Petitioners have not presented any evidence substantiating the alleged business purpose of Mrs. Jackson’s trip, other than their document and her uncorroborated testimony at trial, and, therefore, have failed to meet the substantiation requirements of section 274(d). Furthermore, although petitioners did not claim a deduction for travel expenses on their joint 2001 Form 1040, respondent allowed $2,071 in travel expenses. Petitioners have not shown that the Northwest Airlines and Doubletree travel expenses were not included in the expenses previously allowed by respondent. Accordingly, the Court concludes that petitioners are not entitled to a deduction for travel expenses in excess of the $2,071 previously allowed by respondent. 4. Mail and Post Office Box Expenses Petitioners presented at trial an invoice from Bacon’s Mailing Service $3,858.71 for taxable year 2001, discussed supra. Petitioners did not claim an expense for mailing services on their 2001 joint Form 1040. Respondent contends that petitioners have not shown that the invoice was paid in 2001 as the prepayment date was not provided. The Court agrees with respondent. Accordingly, the Court concludes that petitioners are not entitled to a Schedule C deduction for mailing expenses for taxable year 2001. Petitioners claimed a deduction for “PO RENT” of $64 on Schedule C of their joint 2001 Form 1040, which respondentPage: Previous 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 NextLast modified: March 27, 2008