a document purporting to be a warrant issued by a judicial authority in the Republic or a copy of a summons issued by or on behalf of a court in the Republic, if verified in the prescribed manner, may be taken to be such a warrant or, as the case may be, a copy of such a summons, and the warrant or summons shall be taken to have been duly issued;

evidence with respect to the laws of the Republic may be given by affidavit or other written statement on oath, but a certificate purporting to be issued by or on behalf of the judicial authority in the Republic by whom a warrant was issued, or another judicial authority acting for the same area, and certifying that the offence specified in the warrant can be dealt with under the laws of the Republic in the manner described in the certificate shall be sufficient evidence of matters so certified;

a deposition purporting to have been made in the Republic, or affidavit or written statement purporting to have been sworn therein, may be admitted if verified in the prescribed manner.