For state withholding, use the worksheets on this form. Please complete each section of the entire form along with your signature.The w-4 has five steps we'll go through each step briefly then show an example of a young person completing his first w-4. "Exempt" on Form W-4 in the space below Step 4(c). For more information, please call the Exemption Unit. If you are eligible to claim an exemption from withholding, you can use the W-4 form. Valley Water offers an exemption for qualifying low-income seniors from the Safe, Clean Water special parcel tax. Take advantage of the line for extra withholding. A Form W4 claiming exemption from withholding is valid for only one calendar year. Most adults can only get 48 months (4 years) of cash aid from the CalWORKs program.