In most jurisdictions eligibility is limited to those already admitted to a state bar association; some jurisdictions require prior admission to another federal court or appellate court.
Some jurisdictions require attendance at a federal court practice seminar prior to admission.
[2] Some jurisdictions require passing an examination, obtaining sponsorships, or other documentation.
[3] Once approved for admission, applicants must be sworn in, sometimes individually but often at a mass-swearing in ceremony.
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