CMS said the employees received a duplicate payment when a onetime COVIDrelated stipend was given to over 10000 employees in June. The worksheet will populate "Less Current Period Overpayment," "Net Amount for Prepayment for Net Period" and "Payment Amount for Prepayment.The salary overpayment resulted because . To designate part of your overpayment to the N.C. Education. Endowment Fund, see the instructions for Line 31 on Page 15. How do I apply for Child Support Services? You can complete the application at your local CSS office or apply online.