Okla. Stat. tit. 22, § 22-788: Execution of commission

The 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.