NOTE: Please bring your health insurance card if you have health insurance

Assistance is available free to individuals who earn less than $35,000 or married couples earning less than $45,000. 
Things to bring (if applicable):

Personal Information
Your social security number (SSN)
Your spouse's full name and SSN
Dependants
Dates of birth and SSN
Childcare records
Approximate income of dependants in your home 
Education Payments
Bills from educational institutions
Forms 1098-T and 1098-E
Scholarships and fellowships
Income
Forms W-2
1099-R - Pension/IRA/annuity income
Social security/RRB income 1099-SSA
Interest, dividend income 1099-INT, 1099-OID, 1099-DIV
Sale of stock or other property 1099-B, 1099-S
IRA Information
Amount contributed
Value of IRAs
Other Income
Unemployment, state tax refund (1099-G)
Gambling income
alimony received
Health care reimbursements
Rental Income
Records of income and expenses
Self-Employment Information
Forms 1099-MISC, Schedules K-1
Itemizing Deductions
Forms 1098 or other mortgage statements
Amount of state/local income tax paid (not withheld)
Real estate and personal-property tax records
Records of cash and non-cash charitable donations
Amounts paid for health-care insurance and to doctors, dentists, hospitals
Amounts of miles driven for charitable or medical purposes
Expenses related to your investments
Amount paid for preparation of your 2004 tax return
Employment-related expenses and Job-hunting expenses
Total miles driven for the year
Total business miles driven for the year
parking and tolls