When executing your loan agreement, you may be interested in a notary certifying it notarized once all parties have signed or you want to involve witnesses. The advantage of involving a notary is that it helps prove the validity of the document if it is ever controversial. A witness is an alternative to the notarial deed if you do not have access to a notary. Whenever possible, you should always try to include both. No one ever thinks that the credit agreement they have will be violated, but if you want to make sure that you can take care of the matter, if the conditions are not met, you must have something to do. This is just one of the reasons why it`s so important to include this section, no matter what. . . .