The right of a deaf person to an interpreter may not be waived except by a deaf person who requests a waiver in writing. Such waiver is subject to the approval of counsel to the deaf person, if existent, and is subject to the approval of the appointing authority.
Waiver
Mont. Code Ann. § 49-4-510, under Interpreters for the Deaf in Official Proceedings.
Mont. Code Ann. § 49-4-510