Tax Account Setups including Sales Tax Registration
DIY Step-by-Step Guide(No agent or lawyer)
As an example, in Illinois:
1) Determine Your Filing Type: ● Corporations must file Form IL-1120 (Corporation Income and Replacement Tax Return). ● LLCs taxed as corporations use the same form. ● LLCs taxed as partnerships or disregarded entities may need Form IL-1065 or IL-1040 (Schedule NR). ● Cost: Free — the Illinois Department of Revenue does not charge a filing fee, but taxes owed must be paid.
2) Access Official Filing Portals: ● Illinois MyTax Portal: https://mytax.illinois.gov/ ● IRS (for federal return reference): https://www.irs.gov/businesses
3) Gather Required Data: ● Business name, FEIN, and Illinois file number. ● Prior year’s taxable income or loss. ● Current-year income, deductions, and credits. ● Authorized and issued capital stock (for corporations). ● Payment method for franchise tax due (ACH debit or credit card).
4) Complete the Filing Process: ● Log into the MyTax Illinois portal. ● Choose the correct filing form (IL-1120, IL-1065, or IL-1040). ● Fill out all required sections carefully, ensuring figures match your financial statements. ● Attach supporting schedules if requested (balance sheet, statement of income). ● Submit your return and make payment online. Note: If your total tax liability exceeds $400, quarterly estimated payments may be required.
5) Mail-In Option (if preferred):
Download the correct form from the Illinois Department of Revenue:https://www2.illinois.gov/rev/forms
Complete, sign, and mail it with payment to:Illinois Department of RevenueP.O. Box 19031Springfield, IL 62794-9031Processing time: 2–4 weeks.Cost: Free (postage and payment fees apply).
6) Receive Confirmation: ● You’ll receive a filing acknowledgment and payment confirmation from the Department of Revenue. ● Keep this for your records — it may be required for annual report renewal or Certificate of Good Standing.
Common Mistakes People Make
● Registering before your LLC or Corporation is approved by the Secretary of State. ● Providing incorrect business activity codes (NAICS classification). ● Failing to include a valid FEIN, causing registration rejection. ● Forgetting to register for Withholding Tax if hiring employees. ● Not updating your account when expanding to new business locations.
Documents & Information Needed
● Legal business name and entity file number (as registered with the Secretary of State). ● FEIN (Federal Employer Identification Number) or SSN (for sole proprietors). ● Business address and mailing address. ● Type of business activity (retail, service, manufacturing, etc.). ● Estimated monthly sales or payroll volume. ● Responsible party name, phone number, and email. ● Start date of operations in the State.
Let Victoria Handle It for You
Skip the paperwork, avoid mistakes, and get your Tax Account Setup done. As a corporate compliance specialist and Authorized IRS Representative, Victoria takes care of filings, compliance, and deadlines - so you can focus on growing your business.
Agency Founder, Victoria Duchovny