Using PDFRun, you can electronically fill out and download a PDF copy of the New York Sublease Agreement PDF in minutes. 1. The sublessee shall be liable for the full rent of the sublessor in the amount of.Create a sublease agreement to legally sublet your property. Our sublease contract template allows a tenant to rent a unit to a subtenant. Affix the signatures of all persons taking part in this legal agreement and write down the date when the lease becomes valid. If I never signed a lease agreement and someone sublet the property to me without obtaining signatures from the landlord.