Search tax forms and instructions. Find the forms you need Choose Current year forms or Past year forms, and select By form number or By tax type.Tax Commission forms available here are in . You can sign up to pay your property tax bill monthly through auto-payment. You will be paying your upcoming property taxes in advance of their due date. Filing requirements for Notices of Lending can be found in section 73 of the New York State Lien law. Why must sales tax and freight and installation costs be included in the reported cost? For information on personal property taxes, contact your County Assessor's Office. File your Property Tax Credit (PTC) Claim online.