Calculate the net earnings on your paycheck by allowing for common deductions such as taxes and pension payments. If you find your check is short, look for "Other" or "Miscellaneous" deductions to find out whether your wages are being garnished. If you have been involved in a debt-collection lawsuit recently, or you owe the IRS money, the debtor is likely collecting the money due.
Talk to the payroll department of the company you work for if you suspect your wages are being garnished. Ask if it has received a garnishment notice for you. You should have received a notice yourself from either the creditor or the payroll department.
Contact the Internal Revenue Service to find out whether your wages are being garnished. You should have received a garnishment notice from it.