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 incompatible and the latter obligatio