Any person required to testify or to submit documentary evidence shall be entitled to retain, or on payment of lawfully prescribed cost, procure a copy of any document produced by such person and to procure a copy of his/her own testimony as stenographically reported or, in the case of depositions, as reduced to writing by or under the direction of the person taking the deposition, except that in a nonpublic proceeding a witness may for good cause be limited to inspection of his/her testimony. Any party compelled to testify or to produce documentary evidence may be accompanied and advised by counsel.
Okla. Admin. Code § 365:1-3-8