Section 788 - Execution of commissionThe commissioner, unless otherwise specially directed, may execute the commission as follows:
1. He must administer an oath to the witness that his answers given to the interrogatories shall be the truth, the whole truth and nothing but the truth.2. He must cause the examination of the witness to be reduced to writing and subscribed by him.3. He must write the answers of the witness as nearly as possible in the language in which he gives them, and read to him each answer so taken down, and correct or add to it until it conforms to what he declares is the truth.4. If the witness declines to answer a question, that fact, with the reason assigned by him for declining, must be stated.5. If any papers or documents are produced before him, and proved by the witness, they, or copies of them, must be annexed to the deposition, subscribed by the witness, and certified by the commissioner.6. The commissioner must subscribe his name to each sheet of the deposition, with the papers and documents proved by the witness, or copies thereof, to the commissioner, and must close it up under seal and address it as directed by the endorsement thereon.7. If there be direction on the commission to return it by mail, the commissioner must immediately deposit it in the nearest post office. If any other direction be made by the written consent of the parties, or by the court or judge, to the commissioner as to its return, the commissioner must comply with the directions. A copy of this section must be annexed to the commission.Okla. Stat. tit. 22, § 788