La. Code Civ. Proc. art. 1455
Objections to the competency of a witness or to the competency, relevancy, or materiality of testimony are not waived by failure to make them before or during the taking of the deposition, unless the ground of the objection is one which might have been obviated or removed if presented at that time.
Objections to errors and irregularities occurring at the oral examination in the manner of taking the deposition, in the form of the questions or answers, in the oath or affirmation, or in the conduct of parties, and errors of any kind which might be obviated, removed, or cured if promptly presented, are waived unless seasonably made at the taking of the deposition.
Objections to the form of written questions submitted under Articles 1448 and 1449 are waived unless served in writing upon the party propounding them within the time allowed for serving the succeeding cross questions and within five days after service of the last questions authorized.
La. C.P. § 1455