scope:

Foreword

ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of IS0 or IEC participate in the development of International Standards through technical committees established by the respective organization to ded with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations. governmental and non-governmental. in liaison with IS0 and IEC, also take part in the work.

In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. Draft International Standards adopted bv the joint technical committee are circulated to national bodies for voting. Publication as an InternationaI Standard requires approval by at least 75 96 of the national bodies casting a vote.

Amendment 1 to International Standard ISOAEC 137 12-2: 1995 was prepared by foint Technical Committee ISOEC JTC I, Information technology, Subcommittee SC 21, Open systems interconnection, data managemenr and opeti disrribured processing, in collaboration with ITU-T. The identical text is published as ITU-T Rec. X.88l/Amd. 1.