From USAJOBS Help
Veterans who served on active duty in the U.S. Armed Forces and were separated under honorable conditions may be eligible for veterans' preference. Veterans' preference does not apply to positions in the Senior Executive Service or to internal agency actions such as a reassignment or promotion. When claiming preference, veterans must provide a copy of their DD-214, Certificate of Release or Discharge from Active Duty, or other acceptable documentation. Applicants claiming 10 point preference will need to submit Form SF-15, Application for 10-point Veterans' Preference. If you have questions about the applicability of veterans' preference for a particular vacancy please contact the agency posting the announcement. To learn more about veterans' preference, special veteran appointing authorities, and other veteran related topics, please click fedshirevets.