When a new Project has been created, Project users can be added and roles can be assigned to them. To be selected users must previously have logged into TextGridLab at least once. There are four possible roles for users in TextGrid and every role has specified rights: Project Manager delegate, create rights for Projects; delegate, publish rights for resources Authority to Delete delete rights for resources Editor read, write permission for resources Observer read only rights for resources Project Rights Resource Rights Delegate edit the user/role assignment for the Project modify rights for the resource Publish publish a resource. The resource will be then world-readable and cannot be deleted or updated any longer Delete delete unpublished resources Create Create new Projects create new resources in the Project Write write (i.e. update) unpublished resources Read read resources in the Project Rights in TextGrid are non-hierarchical. If users are meant to have full rights, the roles “Project Manager”, “Authority to Delete” and “Editor” must be assigned to them. Roles with their respective rights can be withdrawn from users by those with the authority to do so.