The majority of documents at the University of Waterloo that are not legally binding can be signed using the methods below. If you require electronic document signing for legally binding documents, you will need to use ConsignO . To Cloud. Visit the IST Service Catalogue to learn more about ConsignO Cloud, or visit the IST Hep Portal to request access to ConsignO, please visit https://uwaterloo.atlassian.net/servicedesk/customer/portal/2/group/1616/create/760.