An SF-50 is the Standard Federal form for Notification of Personnel Action. Applicants for Library vacancies limited to current or former Federal employees must include a copy of their latest SF-50 with their application as proof of their Federal service and civil service status. Current or former Federal employees selected for any position are also asked to provide a copy of their latest SF-50. Current Federal employees may obtain copies of their latest SF-50 from their Human Resources Services Office. Former Federal employees may obtain it by contacting the National Archives and Records Administration (NARA) at the following address: National Personnel Records Center, 111 Winnebago Street, St. Louis, MO 63118-4126. Further information may be obtained from NARA by phone at 314-801-9250 or by e-mail at firstname.lastname@example.org.