- 7 - 145, 150 (1999); sec. 301.6404-2(b)(2), Proced. & Admin. Regs. A managerial act is an administrative act that involves a temporary or permanent loss of records or the exercise of judgment or discretion relating to management of personnel during the processing of a taxpayer’s case. Sec. 301.6404-2(b)(1), Proced. & Admin. Regs. A decision concerning the proper application of Federal tax law is neither a ministerial nor a managerial act. Sec. 301.6404-2(b)(1) and (2), Proced. & Admin. Regs. A request for an abatement of interest will not be granted if a significant aspect of the delay is attributable to the taxpayer. Sec. 6404(e)(1). When Congress enacted section 6404(e), it did not intend the provision to be used routinely to avoid payment of interest. Rather, Congress authorized abatement of interest 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. Under section 6404(h)(1), we have jurisdiction to determine whether respondent abused his discretion in denying petitioner’s request. Because the Commissioner’s abatement authority involves the exercise of discretion, however, we must give due deference to the Commissioner’s determination. Woodral v. Commissioner, 112 T.C. 19, 23 (1999); Mailman v. Commissioner, 91 T.C. 1079, 1082 (1988). In order to prevail, petitioner must prove thatPage: Previous 1 2 3 4 5 6 7 8 9 10 NextLast modified: November 10, 2007