An evidence repository application system provides a centralized repository of implementation evidence data for a project and to provide a method for collecting, storing and tracking the implementation evidence data for the project. The evidence repository application system receives and stores evaluation data regarding the implementation evidence data. The evidence repository application system generates interactive reports summarizing the evaluation data for a project. The evidence repository application system implements a consistent approval process for a project with identified accountable managers and evidence providers. The evidence repository application system also implements an accountability process that notifies accountable managers and evidence providers of their roles and responsibilities for a project.