Iowa Admin. Code r. 701-300.4 - Authority for Deductions
701—300.4(422) Authority for deductions. Whether and to what extent deductions shall be allowed depends upon specific legislative acts, and only where there is a clear provision can any particular deduction be allowed. Therefore, a deduction will be allowed only if the taxpayer can establish the validity and correctness of such deduction.
This rule is intended to implement Iowa Code sections 422.7 and 422.9 .
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