- 324 - any property claimed on the return is 25 percent or less of the amount determined to be the correct value. See sec. 6662(h). Section 6664 provides an exception to the imposition of accuracy-related penalties if the taxpayer shows that there was reasonable cause for the understatement and that the taxpayer acted in good faith. See sec. 6664(c); see also United States v. Boyle, 469 U.S. 241, 242 (1985). Whether a taxpayer acted with reasonable cause and in good faith is a factual question. See sec. 1.6664-4(b), Income Tax Regs. Generally, the most important factor is the extent to which the taxpayer exercised ordinary business care and prudence in attempting to assess his or her proper tax liability. See Estate of Simplot v. Commissioner, 112 T.C. 130, 183 (1999) (citing Mandelbaum v. Commissioner, T.C. Memo. 1995-255), revd. on another issue 249 F.3d 1191 (9th Cir. 2001); sec. 1.6664-4(b), Income Tax Regs.Page: Previous 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 Next
Last modified: May 25, 2011