Sous Seing Prive
Defined in 2 dictionaries — Cyclopedic (1922), Black's (1910)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
In Louisiana. An act or contract evidenced by writing under, the private signature of the parties to it. The term is used in opposition to the "authentic act," which is an agreement entered into in the presence of a notary or other public officer. The form of the instrument does not give it its character so much as the fact that it appears or does not appear to have been executed before the officer. 5 Mart. (La.; N. S.) 196; 7 Mart. (La.; N. S.) 548. The effect of a sous seing prive is not the same as that of the "authentic act." The former cannot be given in evidence until persons. 6 Mart. (La.; N. S.) 429, 432. The latter, or authentic acts, are full evidence against the parties -and those who claim under them. 8 Mart. (La.; N. S.) 132.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Fr.
In French law. Under private signature; under the private signature of the parties. A contract or instrument thus signed ls distinguished from an "authentic act," which is formally concluded before a notary or judge. Civll Code La. art. 2240.