Is it necessary to record the negotiation? Why?

Negotiation record are necessary. Because the negotiation record plays an important role in the negotiation process. For example, in business negotiations, do a good job in preparing for business negotiations. The situation at the negotiating table is unpredictable. If negotiators want to influence the situation of negotiations, they must make all kinds of preparations and make good records of negotiations. Only in this way can we improvise in the negotiations.