Actus Inceptus, Cujus Perfectio Pen- Det Ex Voluntate Partium, Revocari Potest; Si Autem Pendet Ex Voluntate Ter- Tise Personse, Vel Ex Contingent!, Revocari Non Potest

Definition and Citations:

An act already begun, the completion of which depends on the will of the parties, may be revoked; but if it depend on the will of a third person, or on a contingency, it cannot be revoked. Bac. Max. reg. 20.

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