ISO/IEC-10021-4 Complete Document History
Information technology - Message Handling Systems (MHS): Message transfer system - Abstract service definition and procedures

Complete Current Edition:
   3RD EDITION - PDF OR CD ROM EDITION - Dec. 15, 2003

Obsolete Revision Information:
   2ND EDITION CORRIGENDUM 1-2 - CORRIGENDUM 2 & 3 FOR 2ND ED. - May 1, 2000
   2ND EDITION CORRIGENDUM 1 - TECHNICAL CORRIGENDUM 1 2ND ED - Sept. 1, 1998
   2ND EDITION - INFORMATION TECHNOLOGY - MESSA - July 1, 1997
   1ST EDITION CORRIGENDUM 9 - PART 4: MESSAGE TRANSFER SYSTE - Oct. 15, 1994
   1ST EDITION CORRIGENDUM 8 - PART 4: MESSAGE TRANSFER SYSTE - Aug. 1, 1994
   1ST EDITION CORRIGENDUM 7 - PART 4: MESSAGE TRANSFER SYSTE - June 15, 1994
   1ST EDITION CORRIGENDUM 6 - PART 4: MESSAGE TRANSFER SYSTE - Dec. 15, 1993
   1ST EDITION CORRIGENDUM 5 - PART 4: MESSAGE TRANSFER SYSTE - Dec. 15, 1992
   1ST EDITION CORRIGENDUM 4 - PART 4: MESSAGE TRANSFER SYSTE - Sept. 15, 1992
   1ST EDITION CORRIGENDUM 3 - PART 4: MESSAGE TRANSFER SYSTE - March 15, 1992
   1ST EDITION CORRIGENDUM 2 - PART 4: MESSAGE TRANSFER SYSTE - Dec. 15, 1991
   1ST EDITION CORRIGENDUM 1 - PART 4: MESSAGE TRANSFER SYSTE - July 1, 1991
   1ST EDITION - PART 4: MESSAGE TRANSFER SYSTE - Dec. 1, 1990