(a) Whenever, as a result of the provisions of Kan. Stat. Ann. § 79-32,138 or 79-32,140, an assessment of additional income tax is required to be made, no interest or penalties shall begin to accrue upon such assessment until July 1, 1984.

(b) Whenever, as a result of the provisions of Kan. Stat. Ann. § 79-32,138 or 79-32,140, an overpayment of income tax was incurred, interest shall not accrue on such overpayment until 90 days after the date of receipt of the taxpayer’s claim of overpayment of tax.