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 to the satisfaction of the department the validity and correctness of such deduction. 71 Am. Jur. 2d State and Local Taxation, Subsection 518 (1973).
This rule is intended to implement Iowa Code section 422.35.
Iowa Admin. Code r. 701-500.5
Editorial change: IAC Supplement 11/2/22