Kinds of novation
Novation is a juridical act of dual function—it extinguishes an obligation, and at the same time, it creates a new one in lieu of the old. It operates as a relative, not an absolute, extinction. There are different kinds of novation. As to origin. 1. Legal - takes place by operation of law; or 2. Conventional - takes place by agreement of parties. As to form. 1. Express - when it is declared in unequivocal terms; or 2. Implied - when the old and new obligations are on every point incompatible with each other. In California Bus Line v. State Investment,[1] the Supreme Court held that in the absence of an unequivocal declaration of extinguishment of the pre-existing obligation, only proof of incompatibility between the old and new obligation would warrant a novation by implication. Moreover, the test of incompatibility decides whether or not the two obligations can stand together, each one having its independent existence. If they cannot, they are incompat...