- 28 - jointly by petitioner and his ex-wife, and petitioner offers no explanation for the charges listed. The cellular phone bill is a statement of accounts for some months in 2001 and 2002, and it is for petitioner’s business phone. The account lists petitioner’s employer, the IRS, as the account holder. Petitioner offered no evidence either that he was personally accountable for paying this bill or that any of the charges made on the account were related to RBS. Based on the foregoing, we hold that petitioner is entitled to deduct expenses in accordance with section 183(b)(2) of the following: $3,000 for 2000;5 $3,044 for 2001; and $600 for 2002. Accuracy-Related Penalty Under Section 6662 Respondent determined that petitioner is liable for an accuracy-related penalty under section 6662(a) for each of the taxable years in issue. Section 6662 imposes a penalty in the amount of 20 percent of the portion of the underpayment to which the section applies. As relevant to this case, the penalty applies to any portion of the underpayment that is attributable to any substantial understatement of income tax. Sec. 6662(b)(2). There is a “substantial understatement of income tax” if the amount of the understatement exceeds the greater of 5 Sec. 183(b)(2) limits the amount that may be deducted to gross income of the activity.Page: Previous 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 NextLast modified: November 10, 2007