No. The subscriber does not have to be the same individual as the witnessing officer. It is also important to note that the role of the subscriber in electronically signing the form differs from their role as an (officer) when witnessing a document under Part 5 of the Land Title Act. Specifically when a subscriber electronically signs the form they are certifying they have in their possession a true copy or copy of a true copy of the form that was witnessed by an officer in accordance with Part 5 of the Land Title Act. The role of the officer is to witness the execution of the transferor.