53 Pa. C.S. § 8436
(a) Authorization.--A local taxing authority may enter into written agreements with any taxpayer under which the taxpayer is allowed to satisfy liability for any eligible tax in installment payments if the local taxing authority determines that the agreement will facilitate collection.
(b) Extent to which agreements remain in effect.--
(1) Except as otherwise provided in this subsection, any agreement entered into by the local taxing authority under subsection (a) shall remain in effect for the term of the agreement.
(2) The local taxing authority may terminate any prior agreement entered into under subsection (a) if:
(i) information which the taxpayer provided to the local taxing authority prior to the date of the agreement was inaccurate or incomplete; or
(ii) the local taxing authority believes that collection of any eligible tax under the agreement is in jeopardy.
(3) If the local taxing authority finds that the financial condition of the taxpayer has significantly changed, the local taxing authority may alter, modify or terminate the agreement, but only if:
(i) notice of the local taxing authority's finding is provided to the taxpayer no later than 30 days prior to the date of such action; and
(ii) the notice contains the reasons why the local taxing authority believes a significant change has occurred.
(4) The local taxing authority may alter, modify or terminate an agreement entered into by the local taxing authority under subsection (a) if the taxpayer fails to do any of the following:
(i) Pay any installment at the time the installment is due under such agreement.
(ii) Pay any other tax liability at the time the liability is due.
(iii) Provide a financial condition update as requested by the local taxing authority.
(c) Prepayment permitted.--Nothing in this section shall prevent a taxpayer from prepaying in whole or in part any eligible tax under any agreement with the local taxing authority.
53 Pa.C.S. § 8436