In any proceeding in which a deaf or hard of hearing person is testifying under oath or affirmation, the interpreter shall take an oath or affirmation that he or she will make a true interpretation of the proceeding in an understandable manner to the best of his or her ability.
Neb. Rev. Stat. § 20-155.01
R.S.1943, (1991), § 20-157;
Laws 1997, LB 851, § 7.