Creating, updating and formalizing changes to the scope statement are important in meeting cost and time targets as well as satisfying clients. These practices likely reduce scope creep and keep everyone aware of any changes.
Do this by creating a formal change control process. This process does not have to be very complex. Key requirement for such a process is that there is some sort of official sign off by the person approving the change(s). Somehow people get more involved when they have to sign a physical piece of paper! Decsion Request for a simple decision request form
Source:Do project managers practice what they preach, and does it matter to project success? International Journal of Project Management
Karen E. Papke-Shields *, Catherine Beise, Jing Quan
Information Systems and Decision Sciences Department, Frankin P. Perdue School of Business, Salisbury University, Salisbury, MD, USA