{ "0":"IMMT version just prior to version number being included", "1":"IMMT-1 (in effect from 2 Nov. 1994)", "2":"IMMT-2 (in effect from Jan. 2003)", "3":"IMMT-3 (in effect from Jan. 2007)", "4":"IMMT-4 (in effect from Jan. 2011)", "5":"IMMT-5 (in effect from June 2012)" }