Online - Employers can register through the MyTax Illinois website. All employers are required to report new employees to their state's New Hire Directory with 20 days of the employee's first day on the payroll.Access a variety of Enrollment Forms. These forms are an employment application to work for an HSP Customer and must be completed in their entirety and returned to the customer's local DRS office. Tax Application and Affidavit Forms. Once completed, please submit the applicable form(s) below via email or mail to the address provided on the form. Note: ALL performance management forms should be DOWNLOADED first, then Save As prior to entering any information. Employee Performance Management. This provides a direct connection to the data that can be refreshed on-demand within the connected application. Timshts Rgistration and Agrmnt Form.