50. Proof of Service. An affidavit or declaration purporting to be made before a Magistrate by the serving officer or by a witness to the service that a summon has been served and a duplicate of the summon purporting to be endorsed (in manner provided by section 15 or section 47) 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. Warrant of Arrest 51. Form of Warrant of Arrest. (1) Every warrant of arrest issued under this Code by a Court or Magistrate shall be in writing, signed or sealed by the presiding Magistrate of the Court or the Magistrate. (2) Every such warrant shall remain in force until it is cancelled by the Court or Magistrate issuing it or until it is executed. NOTE: (1) See note to section 44. (2) For form of warrant see Schedule 111, 3. 52. Court may Direct Security to be Taken. (1) A Court or Magistrate issuing a warrant for the arrest of any person shall have discretion to direct by endorsement on the warrant that, if such person executed a bond with sufficient sureties for his attendance before the Court or Magistrate at a specified time and thereafter until otherwise directed, the person to whom the warrant is directed shall, on receiving security, release such person from custody. (2) The endorsement shall state: (a) the number of sureties; (b) the amount in which they and the person for whose arrest the warrant is issued are to be respectively bound; and (c) the time and place at which he is to attend. (3) Whenever security is taken under this section, the person to whom the warrant is directed shall forward the bond to the Court or Magistrate. NOTE: For form of endorsement of warrant see Schedule 111, 3 And for forms of bond and bail-bond see Schedule 111, 18 13