An interpreter to be used under § 312.2 may be selected either by the applicant or by the Service. However, the Service reserves the right to disqualify an interpreter provided by the applicant in order to ensure the integrity of the examination. Where the Service disqualifies an interpreter, the Service must provide another interpreter for the applicant in a timely manner. If rescheduling of the interview is required, then a new date shall be set as soon as practicable so as not to delay unduly the adjudication of the application. The officer who disqualifies an interpreter shall make a written record of the reason(s) for disqualification as part of the record of the application.
8 C.F.R. §312.4