Form 1040 is not considered a valid return unless you sign it. If you are filing a joint return, your spouse must also sign. If you have someone prepare your return, you are still responsible for the correctness of the return. If you are filing a joint return as a surviving spouse, see Death of a Taxpayer on page 51.

Child's Return

If your child cannot sign the return, either parent may sign the child's name in the space provided. Then, add "By (your signature), parent for minor child."

Daytime Telephone Number

Although providing your daytime telephone number is optional, doing so may help speed the processing of your return. We may have questions about items on your return, such as the earned income credit, credit for child and dependent care expenses, etc. By answering our questions over the telephone, we may be able to continue processing your return without mailing you a letter. If you are filing a joint return, you may enter either your or your spouse's daytime telephone number.

Paid Preparer Must Sign Your Return

Generally, anyone you pay to prepare your return must sign it by hand in the space provided. Signature stamps or labels cannot be used. The preparer must give you a copy of the return for your records. Someone who prepares your return but does not charge you should not sign your return.

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