What tax form allows an employee to claim an exemtion from federal invome tax withholding?

An employee can claim an exemption from federal income tax withholding by submitting IRS Form W-4, specifically by indicating their eligibility for exemption in the appropriate section. To qualify, the employee must meet certain criteria, such as having no tax liability in the previous year and expecting none in the current year. It's important to complete the form accurately to avoid potential tax liabilities.