Novation: What's the difference? This subpart prescribes policies and procedures for- (a) Recognition of a successor in interest to Government contracts when contractor assets are transferred.An assignment and assumption agreement assigns contractual rights or intangible personal property (such as intellectual property or goodwill) from one party. What is an Assignment And Assumption Agreement? An assignment and assumption agreement transfers one party's rights and obligations to a third party. This Standard Document contains provisions to incorporate an assumption of the delegated obligations and an optional novation into the assignment agreement. Novation clause samples. 7.