Following the approval of the ABC Form and the completion of the Exploration Phase, a project enters the Initiation Phase.
From the Project Management perspective, entering the Initiation Phase indicates a commitment by the Business to move forward with the project; stakeholders are identified and work begins on the Project Charter. The completed Project Charter, signed by the project sponsor provides the formal authorization to commit the resources to the project.
During Initiation, the Enterprise Architect continues to meet with the Business to determine the level of architecture oversight required for the project. This determination defines the deliverables the Architect will produce and review for the remainder of the project.