BS-10621 Complete Document History
Lock assemblies in which the operating mode can be switched between the normal BS 8621 operating mode and a secure mode in which no egress is possible

Complete Current Edition:
   2017 EDITION - Lock assemblies in which the operating mode can be switched - 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 - June 1, 2012
   2007 EDITION AMENDMENT 1 - AMENDMENT 1 FOR 2007 EDITION - Sept. 1, 2009
   2007 EDITION - Thief resistant dual-mode lock assembly - Dec. 31, 2007