Complete this form so that your employer can withhold the correct California state income tax from your pay. Personal Information.Need to withhold more money from your paycheck for taxes, decrease the number of allowances you claim, or have additional money taken out. Gov (search: IT-2104-I) or scan the QR code below. Download Form W-4 V: Voluntary Withholding Request from the IRS' website. A complete listing of state tax forms and filing options. Do you need to submit W-2s to SSA?