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To complete the employee setup, you can temporarily enter a dummy SSN on the W-4 page. Once you have the correct SSN, please make sure to update the information by following these steps:
Note: It's important to update the SSN before submitting the W-2 form. This is to match the employee's name and SSN with Social Security records.
Please see these sample screenshot for a visual guide:
You can also read these articles for more details:
Please leave a reply if you have any follow-up questions or other concerns with QuickBooks Online Payroll. I'm always here to help. Thanks.