Bona Fides
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
Good faith; Integrity of dealing; honesty; sincerity; the opposite of mula fides and of dolus mals. Bona fides exigit ut quod convenit’ fiat. Good faith demands that what is agreed upon shall be done.
Dig. 19, 20, 21; Id. 19, 1, 50; Id. 50, 8, 2, 13.
Bona fides non patitnr ut bis idem exigatur. Good faith does not allow us to demand twice the payment of the same thing, Dig. 50, 17, 57; Broom, Max. 338, note; 4 Johns. Ch. 143,