Corporation Business Tax Online Filing and Payments (Before using this service, your business must already be registered with the State of New Jersey.) 1. File Extensions, Pay, and Access Past Payments: Log in below using the first prompt. Enter your taxpayer identification number* and Personal Identification Number (PIN). You can Web File: Monthly, quarterly, and annual sales tax returns; Form ST-810, New York State and Local Quarterly Sales and Use Tax Return for Part-Quarterly (Monthly) Filers, for PrompTax Filers Form FT-945/1045, Report of Sales Tax Prepayment On Motor Fuel/Diesel Motor Fuel No-tax-due, amended, and final returns; Form ST-330, Sales Tax Record of Advance Payment