Section, acts Oct. 22, 1951, ch. 533, title III, § 301,65 Stat. 593; Sept. 6, 1950, ch. 896, ch. III, title III, § 301,64 Stat. 628; July 20, 1949, ch. 354, title III, § 301,63 Stat. 468, which related to transfer of materials, etc., to Bureau of ionosphere observation by Departments of the Army, Navy, and Air Force, was from the Department of Commerce Appropriation Act, 1952, and has not been repeated in subsequent appropriation acts.
The table below lists the classification updates, since Jan. 3, 2012, for this section. Updates to a broader range of sections may be found at the update page for containing chapter, title, etc.
The most recent Classification Table update that we have noticed was Tuesday, August 13, 2013
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