The correct answer is a W2 form.
Further Explanation:
When you are filling out the 1040 tax form you will need a W2 form given by the employer. These are always sent out in January by the company you worked for. If a person worked for multiple companies, they will need to wait for all of the W2's to be delivered.
If the W2's are not received by February 1st, the person waiting will need to call the HR department at the company to get a replacement.
The social security numbers and birthdays of any dependants are also needed for the 1040 and a valid address.
Learn more about the 1040 tax form at https://brainly.com/question/1227880
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