J. Closing Date_The Closing Date should be stated as On or Before... the Closing Date to provide flexibility to parties involved. Unless there are stated terms to the contrary or "timeline contingencies", it should also be stated the buyer and seller agree that the buyer has exclusive right to purchase said assets up to and including the Closing Date.
To make clear all the points that may need to be covered so that each party has a better understanding of the potential transaction or merger. To make a declaration that two or more parties are in current negotiations such as in joint venture or even a merger.