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Legal teams representing the DA, President Jacob Zuma and the National Prosecuting Authority have agreed on an arbitrator to review the record of the spy tapes.
The tapes were used by the NPA to drop criminal chargs against president Jacob Zuma.
Last March the Supreme Court of Appeal ordered the NPA to lodge a record of the documents on which it had based its decision, with the registrar of the high court.
The National Prosecuting Authority refused to do so on the basis that it contained confidential representations by Zuma.
On Friday Democratic Alliance leader Helen Zille said that retired judge Noel Hart has been appointed to act as arbitrator.
This after a full bench of the Supreme Court of Appeal gave Zuma and the DA a chance to resolve their differences with regard to documents in the NPA's possession involving the tapes.
