Under Sec. 6654(d)(1)(B), the required annual income tax payment an individual taxpayer is required to make to avoid an underpayment penalty is the lesser of (1) 90% of the tax shown on the return for the tax year or (2) 100% of the tax shown on the taxpayer’s return for the preceding tax year (110% if the individual’s adjusted gross income on the previous year’s return exceeded $150,000). Sec. 6654(a) imposes an addition to tax for failure to make a sufficient and timely payment of estimated income tax. The IRS, however, is entitled to waive the addition to tax in certain unusual circumstances if its imposition would be against equity and good conscience. Under Sec. 6654(d)(1)(B), the required annual income tax payment an individual taxpayer is required to make to avoid an underpayment penalty is the lesser of (1) 90% of the tax shown on the return for the tax year or (2) 100% of the tax shown on the taxpayer’s return for the preceding tax year (110% if the individual’s adjusted gross income on the previous year’s return exceeded $150,000). Sec. 6654(a) imposes an addition to tax for failure to make a sufficient and timely payment of estimated income tax. The IRS, however, is entitled to waive the addition to tax in certain unusual circumstances if its imposition would be against equity and good conscience.
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