All unpaid penalties and interest and all costs imposed, but not actually paid out, on paid or unpaid delinquent city or school taxes in cities of the first class and in school districts of the first class, for the tax year one thousand nine hundred and thirty-four and for all previous tax years and the unpaid penalties and all costs imposed, but not actually paid out, on such taxes for the tax year one thousand nine hundred and thirty-five on any parcel or parcels of real estate, shall be abated without the necessity of further action on the part of the council of such city or by the board of public education of such school district, as the case may be, if the following provisions are complied with:
(a) That all of the unpaid delinquent taxes are paid in four equal installments as follows: One-fourth on, or before, the thirty-first day of December, one thousand nine hundred and thirty-eight; one-fourth on, or before, the thirty-first day of December, one thousand nine hundred and thirty-nine; one-fourth on, or before, the thirtieth day of June, one thousand nine hundred and forty; and the final one-fourth on, or before, the thirty-first day of December, one thousand nine hundred and forty.(b) The taxes for the year one thousand nine hundred and thirty-eight shall be paid on, or before, the thirty-first day of December, one thousand nine hundred and thirty-eight, and the current taxes for all subsequent years during such installment period shall be paid before they become delinquent.(c) In case any taxpayer shall default in the payment of any installment of taxes or in the payment of current taxes as required by this act, the penalties, interest and costs on the installments of such delinquent taxes remaining unpaid shall not be abated, but shall remain due and payable as provided by existing law.1938, Sp.Sess., Oct. 25, P.L. 88, § 1.