The obligation is deemed to be discharged by merger where the capacities of creditor and debtor are united.

It constitutes a new obligation in the place of an old one. The preexisting obligation is discharged and a new obligation is created.

No particular form is required for the discharge of an obligation by agreement even if the obligation itself could not be assumed without satisfying a certain form requirement.

It takes place only if the debtor notifies the creditor of his/her intention to exercise his/ her right to set-of.

An obligation is deemed to be discharged where its performance is made impossible by circumstances not attributed to the debtor.