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OH IT 4 certificate W-4

OH IT 4 certificate W-4


OH IT 4 certificate W-4



  • Paper: Letter (8.5in x 11in)
  • Copies to print: 2
    1. Give a blank form to a new employee or to employees who have changes in their tax situation.
    2. The employee fills up this form and returns it to the employer.
    3. Employers must keep a copy for their records.


  • If the employee does not complete this form, the employer must withhold Ohio personal income tax without exemption until the employee completes and submits a properly completed Form IT-4.
  • You may file a new form any time your withholding allowances increases.
  • If the number of an employee's claimed allowances decreases, they must file a new form within 10 days after the change.
  • Other decreases in exemptions or dependents, does not affect your withholding until next year, but requires the filing of a new certificate by December 1 of the year in which they occur.
  • For newly hired employees to report their withholding exemption to their employer. It is also for employees who have recently changed their tax status which will affect their withholding exemptions.
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