UL-639 Complete Document History
Standard for Intrusion-Detection Units

Complete Current Edition:
   8TH EDITION - Standard for Intrusion-Detection Units - Aug. 31, 2007
   CHANGE 01/10 - REVISION CHANGE - CODE B - Jan. 11, 2010
   CHANGE 05/12 - REVISION CHANGE - CODE B - May 15, 2012
   CHANGE 07/18 - REVISION CHANGE - CODE B - July 9, 2018
   CHANGE 11/19 - REVISION CHANGE - CODE B - Nov. 6, 2019

Obsolete Revision Information:
   CHANGE 04/07 - REVISION CHANGE - CODE A - April 2, 2007
   CHANGE 09/02 - REVISION CHANGE - CODE A - Sept. 30, 2002
   7TH EDITION - Standard for Intrusion-Detection Units - Feb. 21, 1997
   6TH EDITION - Standard for Intrusion-Detection Units - July 29, 1993
   CHANGE 07/91 - REVISION CHANGE - CODE A - July 10, 1991
   CHANGE 05/91 - REVISION CHANGE - CODE A - May 24, 1991
   CHANGE 11/89 - REVISION CHANGE - CODE A - Nov. 9, 1989
   CHANGE 05/88 - REVISION CHANGE - CODE A - May 24, 1988
   CHANGE 09/87 - REVISION CHANGE - CODE A - Sept. 2, 1987
   CHANGE 05/87 - REVISION CHANGE - CODE A - May 22, 1987
   CHANGE 09/86 - REVISION CHANGE - CODE A - Sept. 23, 1986
   5TH EDITION - Standard for Intrusion-Detection Units - May 22, 1986