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Regarding the date of birth, entering this information to process your employees' upcoming W-2s isn't mandatory. However, you will have to provide it when setting up new employees in QuickBooks Desktop (QBDT).
Although the date of birth is only used for employee benefits within the program, entering the correct one is crucial for tax purposes, and the W-2 forms will be sent to the appropriate agencies, such as the Social Security Administration (SSA).
In case you want to print your W-2 and W-3 forms, you can check out this article for guidance: Print your W-2 and W-3 forms.
Feel free to hit us up if you have any other questions regarding W-2 forms. We're always ready to back you up.
