Testing has been completed, and the new system is loaded in production and ready to be activated. Which of the following needs approval from the project sponsor?

The project charter is approved at the project's initiation phase, not at the point of system deployment.

The deployment plan outlines the strategy and steps for moving the project's deliverable into its operational environment. Given its critical impact on the organization and the successful realization of project benefits, the project sponsor's approval is essential to authorize this final and significant phase.

The business case justifies the project's existence and is typically developed before or during project initiation.

While a release schedule is part of deployment, the overarching deployment plan itself, which details the strategy and resources, requires the sponsor's final authorization.