145 sections in this chapter.
R.150-316-150-316-0485 Tax Used to Compute Underpayment of Estimated Tax
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150-316-0485 Tax Used to Compute Underpayment of Estimated Tax Any interest due for underpaying estimated taxes is computed using the total tax shown on the return. If the return is adjusted in initial processing, the recomputed tax must be used for determining any underpayment i…
R.150-316-150-316-0487 Estimated Tax: Underpayment Interest Not Imposed if There is a Casualty, Disaster or Other Unusual Circumstances
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150-316-0487 Estimated Tax: Underpayment Interest Not Imposed if There is a Casualty, Disaster or Other Unusual Circumstances (1) No interest for underpayment of estimated tax will be imposed on any portion of the underpayment that is caused by reason of casualty, disaster or oth…
R.150-316-150-316-0489 Estimated Tax: Underpayment Interest Not Imposed If There Is Reasonable Cause
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150-316-0489 Estimated Tax: Underpayment Interest Not Imposed If There Is Reasonable Cause (1) No interest for underpayment of estimated tax will be imposed on any portion of the underpayment if in or prior to the tax year the estimated tax payment was required to be made, the ta…