SI Gets Free Postal Privileges
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PrintIn the Post-Office Act of 1880, United States Congress extends free postal privileges to the Smithsonian. Provisions for free postage for the official business of the government of the United States were established by an act passed on March 3, 1877. It also provides that books or documents from the Smithsonian are exempted from the weight limit of four pounds per package on mail sent as fourth-class.
Chronology of Smithsonian History
Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu
March 3, 1879