Withholding Tax Forms and Instructions To ensure you are able to view and fill out forms, please save forms to your computer and use the latest. Enter the Notice Number located on the notice you wish to pay.Your Notice Number is a unique 13-digit number associated with the current amount you owe. Find Local Rules and Forms that provide procedures and guidelines for courts in Mecklenburg County. How do I apply for Child Support Services? You can complete the application at your local CSS office or apply online. 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. The purpose of this Ordinance is to meet the requirements of Mecklenburg County's NPDES. Due to Mecklenburg County's COVID19 Stay at Home Order, this meeting of the Matthews Board of Commissioners will.