As employers, state agencies and institutions of higher education must deduct federal income tax (FIT) from the wages of a state officer or employee. Complete el Formulario W-4 para que su empleador pueda retener la cantidad correcta del impuesto federal sobre los ingresos de su paga.Most of the filing requirements for Texas employers may be accomplished online. Texas does not have a state income tax. The new form has five steps. Employees must fill out step 1 and step 5. Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. Give Form W-4 to your employer. A W4 form, or "Employee's Withholding Certificate," is an IRS tax document that employees fill out and submit to their employers. There's no state income tax for individuals so there's no income tax withholding for employers after their new hire.