Question: The Office of the Federal Register is an office of the United States government within which independent agency of the United States government charged with preserving and documenting government and historical records?

Related documents: [0]  [DOC] The Office of the Federal Register is an office of the United States government within the National Archives and Records Administration. [END] 
[1]  [DOC] The National Archives and Records Administration (NARA) is an independent agency of the United States government charged with preserving and documenting government and historical records and with increasing public access to those documents, which comprise the National Archives. NARA is officially responsible for maintaining and publishing the legally authentic and authoritative copies of acts of Congress, presidential proclamations and executive orders, and federal regulations. The NARA also transmits votes of the Electoral College to Congress. [END]  
Answer: National Archives and Records Administration
National Archives and Records Administration