Latin Legal Terms

Certus

Certus – this Latin term has two different meanings:
1) It means sure, undoubted. The word participates in the legal maxim “consuetudo ex certa causa rationabili usitata privat communem legem”, which provises for a custom, that has been established on certain and reasonable bases, to sustitute the provisions of the common law.’ It participates also in the legal phrase “certum est quod certum redid potest”, which means “if it can be rendered certain” and applies in the area of Law of Contracts for example, to point something unknown but which can be concretized.
2) It means settled, decided. The word participates in the legal maxim “Cum certum est an et quantum debeatur”, which is used in the area of Litigation Procedures. It means that a debt is liquidated when it is certain and undoubtful what exactly is due, and when it is due to be paid.

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