When you arrive, wear a mask and stay 6 feet away from others. Postpone your appointment if you feel sick. . Note: To use the Services, you will be asked to provide a government-issued photo ID and a tax identification number, e.B a Social Security number. Department of Workforce Development – Employer ResourcesEmployment InsuranceRegistration Registration: Many of our offices are located in Federal Office buildings. These buildings may not allow mobile phones with cameras. Taxpayer Assistance Centres work by appointment. We work with organizations across the country to help taxpayers. Your organization can help us provide tax education and support to millions of people. Small Business Administration – WisconsinState Agency IndexLokale RegierungsressourcenWisconsin Bureau of Procurement – VendorNet SystemWisconsin StatutesWisconsin Small Business Development Center. . .