6 Guides 路 4 accountant-reviewed 路 2 awaiting review 路 covers vat / gst, income tax, payroll
4 accountant-reviewed 路 2 source-cited draft
il-sales-tax
VAT / GSTIllinois Sales Tax return (Form ST-1) for self-employed individuals. Covers all
il-income-tax
Income TaxIllinois Individual Income Tax Return (Form IL-1040) for sole proprietors and si
il-estimated-tax
Income TaxIllinois Estimated Income Tax (Form IL-1040-ES) for self-employed individuals. C