- 14 - 1.6001-1(a), Income Tax Regs. Despite our continuance of the case on July 15, 2003, to permit petitioner to provide documents, and our orders to petitioner to produce documents, petitioner did not provide to respondent any documents relating to those lists (except for those related to the three pieces of equipment described above at paragraph 1 of the findings of fact). 3. Conclusion Petitioner has not shown that he had higher bases in equipment sold in 1987-90 than the amounts conceded by respondent. Thus, we sustain respondent’s determination regarding the amounts of gain from petitioner’s sale of equipment in 1987-90, except as reduced by respondent’s concession regarding the three pieces of equipment. B. Whether Petitioner Is Liable for Additions to Tax and the Accuracy-Related Penalty 1. Negligence a. Background For tax years 1987 and 1988, taxpayers are liable for an addition to tax equal to 5 percent of the underpayment of tax if any part of the underpayment is due to negligence or intentional disregard of rules or regulations. Sec. 6653(a). For tax years 1989 and later, taxpayers are liable for a penalty equal to 20 percent of the part of the underpayment attributable to negligence or disregard of rules or regulations or to anyPage: Previous 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Next
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