Rules on Civil Procedure
Section 20. Certification, and filing by officer. - The officer shall certify on the deposition that the witness was duly sworn to by him and that the deposition is a true record of the testimony given by the witness. He shall then securely seal the deposition in an envelope indorsed with the title of the action and marked "Deposition of (here insert the name of witness)" and shall promptly file it with the court in which the action is pending or send it by registered mail to the clerk thereof for filing. (20, R24)