Abstract
Contractor Project hiitiation Complete and Approved is is an important Process for Software development and it is one of the important factors for it project suceeed. But it always occurs addition and a revision of Contractor Project Initiation Complete & Approved during development. A software development of Waterfall type of is that gives big influence changing upstream process to downstream Process and that is whyit is necessary to manage the influence that Contractor Project Initiation Complete and Approved changing gives. On this report clarifies relations between software vender and cooperation company, and the necessity that software vender bears a risk for Contractor Project Initiation Complete & Approved changing. It change management of the matter which it used a Function Point mcthod as a general index of the whole project and suggest ofthe skill that is necessary for a upstream process reaches and it sujest about the whole being suitable for the accumulation ofcooperation company.