Section 831.2403 - Deposits for service(a) An employee or Member subject to CSRS may make a deposit for volunteer and volunteer leader service by filing an application in a form prescribed by OPM.(b) The deposit is based upon the amount of the stipend that was received. If an educational award was elected in lieu of the stipend, then the deposit is based on the amount of the stipend that would have been received.(c) An application to make a deposit is filed with the appropriate office in the employing agency, or, for Members and Congressional employees, with the Secretary of the Senate, or the Clerk of the House of Representatives, as appropriate.(d) Upon receipt and review of the application from the employee, the agency, Clerk of the House of Representatives, or Secretary of the Senate will submit the application to OPM for processing.(e) Interest begins to accrue on deposits for volunteer service on October 1, 1995, or 2 years after the date on which the individual first becomes an employee or Member, whichever is later.(f) After becoming federally employed, there is a 2-year interest-free grace period on Peace Corps volunteer and volunteer leader service deposits. After the 2-year period, interest is accrued and compounded annually at the variable rate beginning on the date of the expiration of the 2-year period.