A computer implemented method, apparatus, and computer usable program product for processing tasks. A set of one or more tasks is presented on a user interface, wherein the set of tasks are part of a process. A set of one or more policies are associated. Each respective policy is associated with one or more of the set of tasks in which at least one of the tasks in the set of tasks is associated with a policy restricting modification of the task. The set of tasks and set of policies are sent to a flow engine, wherein the flow engine enforces performance of the set of tasks according to the set of policies.