RS 9:4884: When the privilege is established and when it is extinguished

A. A privilege given by this Subpart is established and is effective as to a third person when the obligation it secures is incurred.

B. The privilege is extinguished:

(1) Upon extinction of the obligation it secures.

(2) By written consent of the person in whose favor the privilege exists.

(3) As otherwise provided in this Subpart.