What is Authentic Act?

Legal Definition
Civil law, contracts, evidence. The authentic act is that which has been executed before a notary or other public officer authorized to execute such functions, or which is testified by a public seal, or has been rendered public by the authority of a competent magistrate, or which is certified as being a copy of a public register. Nov. 73, c. 2; Code, 7, 52; 6; Id. 4, 21; Dig. 22, 4.

2. In Louisiana, the authentic act, as it relates to contracts, is that which has been executed before a notary public or other officer authorized to execute such functions, in presence of two witnesses, free, male, and aged at least fourteen years, or of three witnesses, if the party be blind. If the party does not know how to sign, the notary must cause him to affix his mark to the instrument. Civil Code of Lo., art. 2231.

3. The authentic act is full proof of the agreement contained in it, against the contracting parties and their. heirs or assigns, unless it be declared and proved to be a forgery. Id. art. 2233. Vide Merl. Rep. h. t.
-- Bouviers Law Dictionary
Legal Definition
In the civil law. An act which has been executed before a notary or other public officer authorized to exechte such functions or which is testified by a public seal or has been rendered public by the authority of a competent magistrate or which is certified as being a copy of a public register. Nov. 73, c. 2; Cod. 7, 52, 6, 4, 21; Dig. 22, 4. The authentic act, as relates to contracts, ls that which has been executed before a notary public or other officer authorised to execute such functions, in presence of two witnesses, free, male, and aged at least fourteen years, or of three witnesses, if the party be blind. If the party does not know how to sign, the notary must cause him to affix his mark to the instrument All procds verbals of sales of succession property, signed by the sheriff or other person making the same, by the purchaser and two witnesses, are authentic acts. Civil Code La. art. 2234.
-- Black's Law Dictionary