What to do I do if I believe I already garnished the employee for this tax?

The employee may owe taxes for multiple delinquent tax types, tax years, or to different political subdivisions. The best way to manage all wage garnishments received for all employees is through Business.KeystoneCollects.com, where you can view, pay, or respond to wage garnishments received for employees. New users must create an account. Once logged in, use the information contained on the Wage Attachment Notice that you received for your employee.