n. (abbr. ACA)a professional organization based in the United States that certifies individuals who have met specific requirements for archival education, knowledge, and experienceAcademy of Certified Archivists 2019The Academy of Certified Archivists promotes fundamental standards of professional archival practice.
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Members of the Society of American Archivists founded the organization in 1989. ACA offers certification examinations annually and requires recertification every five years either by examination or petition.