UL-1998 › Complete Document History
Standard for Software in Programmable Components

Complete Current Edition:
   3RD EDITION - Standard for Software in Programmable Components - Dec. 18, 2013
   CHANGE 09/18 - REVISION CHANGE - CODE A - Sept. 24, 2018
   CHANGE 11/22 - REVISION CHANGE - CODE A - Nov. 16, 2022

Obsolete Revision Information:
   CHANGE 10/08 - REVISION CHANGE - CODE A - Oct. 28, 2008
   CHANGE 04/04 - REVISION CHANGE - CODE A - May 1, 2004
   2ND EDITION - SOFTWARE IN PROGRAMMABLE COMPO - May 29, 1998
   1ST EDITION - SAFETY-RELATED SOFTWARE - Jan. 4, 1994