20Affidavit admissable in evidence without proof of rank of officer administering it etc

#### 20 Affidavit admissable in evidence without proof of rank of officer administering it etc Where a document purports to have subscribed to it the signature of a competent officer in testimony of the administration of an oath, the taking of an affidavit or the attestation of the execution of a document by him, it shall be admitted in evidence without proof: (a) of the rank of the officer, of the force of which he is an officer and, in the case of an officer of an air force below the rank of Flight Lieutenant, of the fact that he was in charge of a unit or detachment of the Royal Australian Air Force; (b) that the signature is that of the officer; or (c) that the person to whom the oath was administered or by whom the affidavit was sworn or the document executed was, at the date of the swearing or execution, a member of the Defence Force.