Book One: Obligations · Section One: Sources of Obligation · Chapter Four: Beneficial Acts · Part Two: Receipt of the Undue
Restitution of the undue shall be permitted if performance has been made in fulfilment of an obligation whose cause has not been realized, or of an obligation whose cause has ceased after having been realized, or if the performance was in fulfilment of an obligation whose term has not yet fallen due and the performer was unaware of the existence of the term.
Interpretation and application must be checked against the official text and current version.
