(A) As to notice. All errors and irregularities in the notice for taking a deposition are waived unless written objection is promptly served upon the party giving the notice.(B) As to disqualification of officer. Objection to taking a deposition because of disqualification of the officer administering the oath is waived unless made before the taking of the deposition begins or as soon thereafter as the disqualification becomes known or could be discovered with reasonable diligence.(C) As to taking of deposition.(1) 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.(2) 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 seasonable objection thereto is made at the taking of the deposition.(3) Objections to the form of written questions submitted under Rule 40 are waived unless served in writing upon the party propounding them within the time allowed for serving the succeeding cross or other questions and within 20 days after service of the last questions authorized.(D) As to completion and return of deposition. Errors and irregularities in the manner in which the testimony is transcribed or the deposition is prepared, signed, certified, sealed, endorsed, transmitted, filed, or otherwise dealt with under Rules 39 and 40 are waived unless a motion to suppress the deposition or some part thereof is made with reasonable promptness after such defect is, or with due diligence might have been, ascertained.