O.C.G.A. § 53-5-6: Admission of executor before qualification or of a beneficiary.

On the investigation of an issue of devisavit vel non, the admission of an executor before qualification or of a beneficiary, other than a sole beneficiary, shall not be admissible in evidence to impeach the will except where the admission is in reference to the conduct or acts of the executor or beneficiary concerning some matter relevant to the issue.