Pennsylvania Statutes Title 68 P.S. Real and Personal Property § 908. Allocation of monthly payments

In determining what portion of the monthly installments shall be applied against principal on account of the purchase price, there shall first be deducted all items authorized under the agreement of sale, such as taxes, water and sewer rentals, interest on the unpaid balance of purchase price, cost of all insurance premiums, repairs and assessments authorized under the terms of the agreement and the net balance thereof shall be applied to principal.