Withholding returns must be filed electronically for taxable years beginning from and after December 31, 2019. Complete this form within the first five days of your employment to select an Arizona withholding percentage.Llene el Formulario W4 (SP) para que su empleador pueda retener la cantidad correcta del impuesto federal sobre los ingresos de su paga. Electing a Withholding Percentage of Zero. You may elect an Arizona withholding percentage of zero if you expect to have no Arizona income tax liability for the. El Formulario 1099 consta de una serie de documentos a los que el IRS (Servicio de Impuestos Internos) se refiere como "declaración informativas". File with Clerk of Court. This amount is applied to your Arizona income tax due when you file your tax return.