Create your Pennsylvania sublease agreement and sublet your property. Rent your unit to a subtenant with our attorney-approved template.A Pennsylvania sublease agreement formalizes a rental arrangement between a current tenant (sublessor) and a new tenant (sublessee). Pennsylvania law has many different rules surrounding breaking a lease agreement, especially when it comes to ending it before it expires. A sublet, or sublease agreement, adds someone new to an existing lease. A Sublease Agreement is a rental contract between an original tenant and a subtenant. A sublease agreement is a rental contract used for rerenting a currently leased unit to a new tenant. A sublease agreement gives a third party or subtenant only the specific rights provided in the sublease. Provisions of this Sublease shall prevail. All terms and conditions of the Master.