UL-621 Complete Document History
Standard for Ice Cream Makers

Complete Current Edition:
   7TH EDITION - ICE CREAM MAKERS - May 7, 2010
   CHANGE 10/13 - REVISION CHANGE - CODE C - Oct. 25, 2013
   CHANGE 12/15 - REVISION CHANGE - CODE C - Dec. 11, 2015
   CHANGE 02/17 - REVISION CHANGE - CODE C - Feb. 15, 2017
   CHANGE 03/18 - REVISION CHANGE - CODE C - March 1, 2018
   CHANGE 07/19 - REVISION CHANGE - CODE C - July 8, 2019
   CHANGE 09/20 - REVISION CHANGE - CODE C - Sept. 16, 2020

Obsolete Revision Information:
   ADOPT WITHDRAWN - FYI ONLY: DOD ADOPTION WITHDRAWN - Dec. 22, 2009
   CHANGE 11/09 - REVISION CHANGE - CODE D - Nov. 19, 2009
   CHANGE 02/06 - REVISION CHANGE - CODE D - Feb. 27, 2006
   6TH EDITION - ICE CREAM MAKERS - May 27, 2005
   CHANGE 12/02 - CHANGE FOR 5TH EDITION - Nov. 27, 2002
   CHANGE 04/95 - REVISION CHANGE - CODE D - April 18, 1995
   CHANGE 03/93 - REVISION CHANGE - CODE D - March 26, 1993
   5TH EDITION - ICE CREAM MAKERS - March 25, 1993