Additional Resources Payroll Tax EFTPS https://www.eftps.gov/eftps/ Electronic Federal Tax Payment System IL-941 or IL-501 https://mytax.illinois.gov/_/#1 Monthly Illinois Withholding Payments Missouri-941 http://dor.mo.gov/business/payonline.php Monthly Missouri Withholding Payments Illinois Unemployment https://mytax.illinois.gov/_/#1 Missouri Unemployment https://uinteract.labor.mo.gov/benefits/home.do Sales Tax Illinois https://mytax.illinois.gov/_/#1 Missouri https://dor.mo.gov/business/sales/ Employee Tax W-4 http://www.irs.gov/pub/irs-pdf/fw4.pdf Federal Employee Withholding Form MO-W-4 https://dor.mo.gov/forms/MO%20W-4.pdf Missouri Employee Withholding Form IL-W-4 https://www2.illinois.gov/rev/forms/withholding/Documents/currentyear/IL-W-4.pdf Illinois Employee Withholding Form I-9 http://www.uscis.gov/sites/default/files/files/form/i-9.pdf Employment Eligibility Verification Employment Posters US Department of Labor http://www.dol.gov/whd/posters/pdf/WHD1491Eng_H2A.pdf IDES http://www.ides.illinois.gov/IDES Forms and Publications/Notice.pdf Illinois https://www2.illinois.gov/idol/Laws-Rules/FLS/Pages/minimum-wage-rates-by-year.aspx DOL Minimum Wage http://www.dol.gov/whd/regs/compliance/posters/minwagep.pdf Income Tax IRS Where’s My Refund http://www.irs.gov/Refunds/ Illinois Where’s My Refund https://www.revenue.state.il.us/app/refund/servlet/RefundStatus Missouri Where’s My Refund https://dors.mo.gov/tax/taxinq/welcome.jsp General Tax W-9 http://www.irs.gov/pub/irs-pdf/fw9.pdf Annual Credit Report https://www.annualcreditreport.com Salvation Army Donation Guidelines https://www.satruck.org/donation-value-guide K-1 Information for publicly traded partnerships https://www.taxpackagesupport.com/