What is a valid reason for an employer to reject a W-4 form?

A valid reason for an employer to reject a W-4 form is when an employee specifies a flat dollar amount for withholding that doesn't conform to the guidance provided by the IRS. The purpose of the W-4 form is to allow employees to indicate their filing status and any applicable concessions, such as claiming dependents which should impact their withholding allowance. While employees can request additional withholding, this typically should be detailed and based on the IRS guidelines. The addition of a flat tax amount that is not aligned with IRS standards can raise concerns for compliance, making it a reason to reject the form.

Other situations presented might not constitute valid reasons for rejection. For instance, changing circumstances of an employee do not invalidate the W-4; rather, they're a normal part of a worker's life affecting their withholding needs. The electronic submission of the form is acceptable, as the IRS allows electronic filing. Finally, an employee's first-time submission of a W-4 is a routine process and doesn't warrant rejection unless it contains errors or omissions.