1.3 Formal international standardisation organizations
15
with the same voting procedure as with the DIS, but with aperiod of only two
months. If approved, it is published as an International Standard (lS) with a review
ofthe IS taking place at least every five years.
ISO/PAS -ISO Publicly Available Specification
An ISO Publicly Available Specification (ISO/PAS) is also normative. After
completion of stage two of the standard development, the preparatory stage, the
Working Group must find consensus on the document. A simple majority of the Pmembers of the Technical Committee (TC) or Subcommittee (SC) is then necessary
to create a ISO/PAS. An ISO/PAS must be reviewed after three years. After six years
it must be advanced to an International Standard or withdrawn.
An example for an ISO/P AS is the Java platform of Sun Microsystems.
Isons - ISO Technical Specification
An ISO Technical Specification (ISO/TS) is normative as weIl. After completion
of stage three of the standard development, the committee stage, the document is
handed to the TC or the SC. This document is called a committee draft (CD). The
TC or SC sends out the CD for vote within a three month period. If two thirds of the
P-members vote in favour, the CD is approved as an ISO/TS. An ISO/TS must be
reviewed after three years. After six years it must be advanced to an International
Standard or withdrawn.
An ISO/TS is a means to make a document official if there is insufficient support
for an International Standard or if other existing specifications will get the ISO
brand.
An example for an ISO technical specification is the ISO/TS 19103 (Conceptual
schema language).
IsonR - ISO Technical Report
An ISO Technical Report (ISO/TR) is informative. At any stage after the approval
of a New Work Item Proposal (NWIP) the ISO Central-Secretariat may decide to
publish a document as an ISO/TR. The ISO/TR requires a simple majority of the Pmembers of the TC or SC for approval.
The ISO/TR were essentially of three types:
• Type 1 for documents which had been intended to become standards but for
which the required levels of agreement could not be attained,
• Type 2 to describe either the directions of standardisation in particular fields or in
some instances to make an experimental standard available for trial use, and
• Type 3 is for information only.
In the future, the type 1 and type 2 ISO/TR will be published as an ISO Technical
Specification (ISO/TS). The ISO/TR will be retained purely as informative documents, which were the ISO type 3 Technical Reports.
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