On 16 May 1947, Army Regulation 260-15 announced the MUC, granted the wear of the MUC emblem, and provided for the display of the scarlet MUC streamer, with the name of the applicable theater of operations in white letters. On 11 April 1949, The Adjutant General advised D/PA that the stock position was such that it would not be exhausted prior to 1959. By Comment 2, 1 March 1960, Deputy Chief of Staff, Personnel (G-1) stated that for planning purposes, the new Meritorious Service Unit emblem would be authorized for wear on or after 1 January 1961, with wear of the old one prohibited after 30 June 1962. However, the stock level was still so high that it was not introduced into the supply system until 14 July 1966.