DS TR 121 900 V15.0.0:2018

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 15.0.0 Release 15)

Scope

This document outlines the working methods to be used by the 3GPP Technical Specification Groups and their Working
Groups and their Sub-Groups, and by the 3GPP Support Team in relation to document management, i.e. handling of
specifications, updating procedures, Change Request procedures, version control mechanisms, specifications status
information etc. It complements the rules and procedures defined for 3GPP. This document does not stipulate the details
of the internal working of the TSG Sub-Groups. From the Technical Specification Group point of view, a task and
responsibility is given to a Working Group directly answering to the Technical Specification Group. In practice, the
work/task may be carried out in a subgroup of that Working Group.