December 22, 2010: Clinton is told a new rule that all work emails must be preserved.

The National Archives building in Washington, DC. (Credit: public domain)

The National Archives building in Washington, DC. (Credit: public domain)

The National Archives and Records Administration (NARA) issues guidelines to the heads of all federal agencies, including Secretary of State Clinton, stating that all emails and email attachments relating to government business are considered records to be preserved under the Federal Records Act. (The Wall Street Journal, 9/30/2015)