- 8 - decision concerning the proper application of Federal tax law (or other Federal or state law) is not a ministerial act. Id. Even where errors or delays are present, the Commissioner’s decision to abate interest remains discretionary. See sec. 6404(e)(1); Mekulsia v. Commissioner, T.C. Memo. 2003-138, affd. 389 F.3d 601 (6th Cir. 2004). When Congress enacted section 6404(e), it did not intend the provision to be used routinely to avoid payment of interest. Rather, Congress intended abatement of interest to be used only where failure to do so “would be widely perceived as grossly unfair.” H. Rept. 99-426, at 844 (1985), 1986-3 C.B. (Vol. 2) 1, 844; S. Rept. 99-313, at 208 (1986), 1986-3 C.B. (Vol. 3) 1, 208. II. Standard of Review and Burden of Proof When reviewing the Commissioner’s determination not to abate interest, we apply an abuse of discretion standard. See sec. 6404; Camerato v. Commissioner, T.C. Memo. 2002-28. The taxpayer bears the burden of proof with respect to establishing an abuse of discretion. See Rule 142(a). In order to prevail, the taxpayer must establish that in not abating interest the Commissioner exercised his discretion arbitrarily, capriciously, 6(...continued) Admin. Regs. The final regulations generally apply to interest accruing on deficiencies or payments of tax described in sec. 6212(a) for taxable years beginning after July 30, 1996, and do not apply to the years at issue in this case. See sec. 301.6404- 2(d)(1), Proced. & Admin. Regs.Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 10, 2007