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Topic no. 653, IRS notices and bills, penalties, and interest
Generally, interest accrues on any unpaid tax from the due date of the return until the date of payment in full. The interest rate is determined quarterly and
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2016 Instruction 1040
Dec 15, 2016 For the latest information about developments related to Form 1040 and its instructions, such as legislation enacted after they were published,
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Overview of Civil Tax Penalties
by CD Bell 2014 The failure to file penalty is calculated as a percentage of the net tax amount required to be shown on the tax return. If there is no net amount due, there
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