Pennsylvania Statutes Title 68 P.S. Real and Personal Property § 399.9. Tenant's right to withhold rent

Any tenant who has made a payment to a utility on account of nonpayment by the landlord ratepayer pursuant to this act may subsequently recover the amount paid to the utility either by deducting said amount from any rent or payment on account of taxes or operating expenses then or thereafter due from such tenant to the person to whom he would otherwise pay his rent or by obtaining reimbursement from the landlord ratepayer.