Get your tax refund back fast and free! The Vermont Division of Casey Family Services operates a Volunteer Income Tax Assistance program from its Winooski office. IRS-certified volunteers will prepare and e-file your tax returns for free. To qualify for this program, your income must be $40,000 or less, and you must have no small business or investment income. Register to win one of 10 $100 savings bonds, as well. Just dial 2-1-1 to make an appointment.