Registration Information. Who Should Register and File?Taxes are due Sept. 1. Real Estate Property Tax is based on the value of real estate as of January 1st of the current year. Go to Sales Invoices. The only exemption to having an affixed label is if the product being produced is sold on demand directly to the consumer. The ability to sell or promote your products and services is critical to your success. Next, enter your information on the the form itself and print out the completed form. Sales tax rate lookup and sales tax item calculator.