The 1040 tax form is used to determine the income tax return. The form may be filed for individuals who are single, or it can be filled out for a married couple as a joint tax return. Depending on whether you are single or married, what your level of income is, and the number of dependents that you have, you can either file a 1040EZ or a 1040A. There are several different locations in which you can obtain a 1040 tax form. It can be obtained from the Post Office, or you can ask for one from your local state tax office or IRS office. It can also be downloaded from the IRS website and printed out. Before you can fill out the 1040 tax form, you will need to gather up a great deal of other documents as well. These include the 1099MISC, the W2, and the W4. A W4 is an Employees' Withholding Allow