How-to Videos Individual Tax Topics include: Protesting a proposed assessment, payments, checking the status of your refund, and more. Sales Tax Topics include: Import a ST-3 return, file a simple sales tax return, upload a ST-3 XML file, and more. Alcohol & Tobacco Topics include: Brand registration, manufacturer reports, submit an alcohol wholesaler profile, and more. Tax Credits Topics include: Submitting a musical tax credit, qualified education donation tax credit, and more. Registration Topics include: New business registration, sign up for online access, forgot username/password, add access as a bulk filer, and more. Withholding Topics include: Filing a G-7 Return, filing a G-1003 using GTC online entry, and more. Motor Fuel/IFTA How to file an IFTA Return.