The Council of State Archivists (COSA) is a national organization in the United States that represents the interests of state archives and archivists. Its primary mission is to support and promote the preservation of state government records and the effective management of archival resources. COSA provides resources, training, and advocacy to enhance the role of state archives in preserving historical documents. COSA also collaborates with other organizations, such as the National Archives and Records Administration (NARA), to address issues related to records management and access. By fostering communication among state archivists, COSA helps to share best practices and improve the overall effectiveness of archival programs across the country.