BS-3621 Complete Document History
Lock assemblies operated by key from both the inside and outside of the door

Complete Current Edition:
   2017 EDITION - Lock assemblies operated by key from both the inside and out - June 8, 2017

Obsolete Revision Information:
   2007 EDITION CORRIGENDUM 1 - CORRIGENDUM 1 FOR 2007 EDITION - Jan. 1, 2013
   2007/A2 EDITION - 2007 EDITION/AMENDMENT 2 INTERFILED - May 1, 2012
   2007 EDITION AMENDMENT 1 - AMENDMENT 1 FOR 2007 EDITION - Sept. 1, 2009
   2007 EDITION - Thief resistant lock assembly. Key egress - Aug. 10, 2007
   AMD 15672 - AMENDMENT 1 FOR 2004 EDITION - April 1, 2007
   2004 EDITION - Thief resistant lock assembly. Key egress - Dec. 6, 2004
   1998 EDITION - Thief resistant lock assembly. Key egress - Sept. 15, 1998
   AMD 7282 - AMENDMENT 3 - Aug. 1, 1992
   AMD 3874 - AMENDMENT 2 - Feb. 1, 1982
   AMD 3539 - AMENDMENT 1 - Oct. 1, 1980
   1980 EDITION - INCLUDES AMENDMENT 3 - April 30, 1980