No. According to the Department of Labor, tips are not earnings for the purpose of wage garnishment.
Yes.
An order that requires an employer to withhold support from a noncustodial parent’s wages and transfer that withholding to the appropriate agency (the Centralized Collection Unit, the State Disbursement Unit, or tribal child support agency.) Sometimes referred to as a wage withholding, garnishment, or income assignment. See Income Assignment. See Income Assignment.