- 19 - (5th Cir. 1967), affg. in part and remanding in part on another ground 43 T.C. 168 (1964)); see Allen v. Commissioner, 925 F.2d 348, 353 (9th Cir. 1991), affg. 92 T.C. 1 (1989). Negligence is determined by testing a taxpayer’s conduct against that of a reasonable, prudent person. Zmuda v. Commissioner, 731 F.2d 1417, 1422 (9th Cir. 1984), affg. 79 T.C. 714 (1982). Courts generally look both to the underlying investment and to the taxpayer’s position taken on the return in evaluating whether a taxpayer was negligent. Sacks v. Commissioner, 82 F.3d 918, 920 (9th Cir. 1996), affg. T.C. Memo. 1994-217. The Commissioner’s decision to impose the negligence addition to tax or penalty is presumptively correct. Collins v. Commissioner, 857 F.2d 1383, 1386 (9th Cir. 1988), affg. Dister v. Commissioner, T.C. Memo. 1987-217; Hansen v. Commissioner, 820 F.2d 1464, 1469 (9th Cir. 1987). A taxpayer has the burden of proving that Commissioner’s determination is erroneous and that he did what a reasonably prudent person would have done under the circumstances. See Rule 142(a); Hansen v. Commissioner, supra; Hall v. Commissioner, 729 F.2d 632, 635 (9th Cir. 1984), affg. T.C. Memo. 1982-337; Bixby v. Commissioner, 58 T.C. 757, 791 (1972). Good faith reliance on professional advice concerning tax laws may be a defense to the negligence additions to tax. United States v. Boyle, 469 U.S. 241, 250-251 (1985). However,Page: Previous 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Next
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