UL-2572 › Complete Document History
Standard for Mass Notification Systems

Complete Current Edition:
   2ND EDITION - Standard for Mass Notification Systems - March 28, 2016
   CHANGE 12/18 - REVISION CHANGE - CODE B - Dec. 14, 2018
   CHANGE 01/24 - REVISION CHANGE - CODE B - Jan. 10, 2024

Obsolete Revision Information:
   CHANGE 05/12 - REVISION CHANGE - CODE B - May 11, 2012
   1ST EDITION - Standard for Mass Notification Systems - Oct. 7, 2011