ECO’s make it possible to accurately identify ,address and implement product change while keepin all key stakeholders in the loop and maintaining a historical record of product.The change process starts when someone identify an issue that need to be addressed with a change to the product.It ends when agreed upon change is implemented.ECO’s are used in between to summarize the modification ,finalize the details and obtain all the necessary approvals.without a clearECO process making a change to product can set off a chain of costly ,time consuming and avoidable events.