La. Code Civ. Proc. art. 1436
Unless the court orders otherwise and except as provided by Article 1425, the parties may by written stipulation provide that depositions may be taken before any person, at any time or place, upon any notice, and in any manner and when so taken may be used like other depositions, and modify the procedures provided by these rules for other methods of discovery.
A witness who is a resident of this state may be required to attend an examination to take his deposition only in the parish in which he resides or is employed or transacts his business in person, or at such other convenient place as may be fixed by order of court. A witness who is a nonresident of this state, but is temporarily in this state, may be required to attend an examination to take his deposition only in the parish where he is served with a subpoena or at such other convenient place as may be fixed by order of court.
La. C.P. § 1436