All penalties, interest, and costs imposed, but not actually paid out, on 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 penalties and costs imposed, but not actually paid out, on such taxes for the tax year one thousand nine hundred 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 said respective delinquent taxes are paid in four equal installments as follows: one fourth, on or before the first day of November, one thousand nine hundred and thirty-seven; one fourth, on or before the first day of November, one thousand nine hundred and thirty-eight; one fourth, on or before the first day of May, one thousand nine hundred and thirty-nine; and the final one fourth, on or before the first day of November, one thousand nine hundred and thirty-nine.(b) The respective current taxes for the 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 in section one of 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.1937, May 26, P.L. 893, § 1.