Useful Info Payroll Vault Forms Government Forms Assign Now Assigning You With OSHA Compliance First AID. Written safety plans. Safety training DVDs, OSHA safety Posters and more... Background Checks & Drug Screening Schedule a Screening Employee Direct Deposit Form New Employee Form Frequently Asked Questions Michigan State Withholding (MI-W4) Indiana State/County Withholding (WH-4) Illinois State Withholding (IL-W-4) Form W-9 Form W-4 Form I-9