An integration clause (also known as a merger clause or an entire agreement clause) is found in most contracts and simply provides that the agreement or contract between the parties is the final and complete understanding between the parties, and supersedes all prior negotiations, agreements, or understandings on the subject. The typical integration clause will say something like this: This Agreement is the entire agreement between the parties in connection with the subject matter of...

Varying circumstances may require parties to a contract to modify their original agreement.  For example, contract modification may be necessary if parties want to extend a contract, change its duration, alter the quantity of goods to be sold or delivered, change a delivery time or place, or change a payment amount or type. Parties typically can modify a contract at any time, as long as all the parties agree to the changes.  Minor changes in a...