Abstract
Many IT system projects had ever been financially failed because of a lot of reworks in the late phase caused by ambiguity in contract conditions, inadequate requirement definition, and poor quality of design in the early phase. In order to improve such situations, we established judgment rules to make strict decision whether any pending issues are not carried over into the late phase, by clarifying the phase completion status at the end of the early phase of IT system projects. This paper describes the phase completion judgment of the early phase and its practical results.
