Note: Certain exceptions may apply: 1) Individuals employed by the Federal Government as radiologic personnel before January 13, 1986, may qualify based on evidence of current or satisfactory performance, or certification from a licensed practitioner authorized to prescribe radiologic procedures (such as a physician, osteopath, dentist, podiatrist, or chiropractor). Required as applicable for the purposes of specific eligibility and appointment claim(s), and position requirements: Indian Preference Applicants: If claiming Indian preference, applicants must provide a completed copy of the Form BIA-4432, "Verification of Indian Preference for Employment in the BIA and IHS Only."