In this particular case, the court also held that even if the unreg registered agreement cannot be used as evidence in court, it can still be used as confirmatory (or supporting) evidence of the existence of a previous agreement. This means that such an unregreged document alone cannot be admitted to court, but can still be used as supporting evidence. This is, of course, a legal distinction that is at the discretion of the judge with respect to his or her requests for validity. Even section 17(d) of the Registration Act talks about a similar provision stating that a lease or annual rent may not be valid unless it is a registered instrument. .