local jurisdiction, and in any case where the officer who has served a summons is not present at the hearing of the case, an affidavit, purporting to be made before a Magistrate, that such summons has been served, and a duplicate of the summons purporting to be endorsed (in the manner provided by section 62 or section 64) by the person to whom it was delivered or tendered or with whom it was left, shall be admissible in evidence, and the statements made therein shall be deemed to be correct unless and until the contrary is proved. (2) The affidavit mentioned in this section may be attached the duplicate of the summons and returned to the Court. to 69. Service of summons on witness by post. 69. (1)Service of summons on witness by post. (1) Notwithstanding anything contained in the preceding sections of this Chapter, a Court issuing a summons to a witness may, in addition to and simultaneously with the issue of such summons, direct a copy of the summons to be served by registered post addressed to the witness at the place where he ordinarily resides or carries on business or personally works for gain. (2) When an acknowledgment purporting to be signed by the witness or an endorsement purporting to be made by a postal employee that the witness refused to take delivery of the summons has been received, the Court issuing the summons may declare that the summons has been duly served. B.-Warrant of arrest 70. Form of warrant of arrest and duration. 70. Form of warrant of arrest and duration. (1) Every warrant of arrest issued by a Court under this Code shall be in writing, signed by the presiding officer of such Court and shall bear the seal of the Court. 840 (2) Every such warrant shall remain in force until it cancelled by the Court which issued it, or until it is executed. is