Sales of tangible personal property are subject to New York sales tax unless they are specifically exempt. Sales of services are generally exempt.Businesses that sell tangible personal property or taxable services in New York State need a Certificate of Authority. Business Personal Property Tax is a tax assessed on tangible personal property businesses own. Business personal property taxes vary depending on your locality. All businesses are required to file a Business Personal Property Listing Form with the Business Personal Property Division of the Assessor's Office. All businesses are required to file a Business Personal Property Listing Form with the Business Personal Property Division of the Assessor's Office. Upon the establishment of a new account, assessment forms will be mailed to your business. Property owners are required to declare all personal property items used, either full or part-time, in the conduct of business. Business Personal Property includes all supplies, equipment and any fixtures used in the operation of a business.