- 10 - basis, taking into account all the pertinent facts and circumstances. Sec. 1.6664-4(b)(1), Income Tax Regs. The taxpayer’s education, experience, and knowledge are considered in determining reasonable cause and good faith. And, generally, the most important factor is the extent of the taxpayer’s effort to assess his proper tax liability. Sec. 1.6664-4(b)(1), Income Tax Regs. Respondent determined an accuracy-related penalty to be applicable in this case because petitioner understated his income tax by $6,564 on his 2003 income tax return. Because petitioner’s understatement of tax was greater than 10 percent of the tax required to be shown on the return, or $5,000, the understatement was deemed a substantial understatement of tax pursuant to section 6662(d)(1)(A)(i) and (ii). Respondent contends that petitioner’s failure to report income equaling approximately 35 percent of his adjusted gross income for 2003 shows a lack of reasonable cause and good faith. Petitioner argues that he should not be held liable for the penalty because: (1) His failure to include the amount received from the distribution was due to his move from New York City to Palo Alto, California, in 2003, which resulted in his failure to receive a Form 1099-MISC for the distribution, and (2) his failure to remember to report the distribution was notPage: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: March 27, 2008