Copyright Government of Botswana 
Elected or Specially Elected Member of the Assembly his or her resignation shall be addressed to the Speaker, and in the case of a Member of the Ntlo ya Dikgosi his or her resignation from that office shall be addressed to the Chairman of the Ntlo ya Dikgosi.  (2) The resignation of any person from any office established by this Constitution shall take effect on the date or at the time indicated in the writing signifying the resignation or, if no such date or time is so indicated, at the time the writing is received by the person or authority to whom it is addressed or by any person authorized by that person or authority to receive it. 126. Reappointments and concurrent appointments   (1) Where any person has vacated any office established by this Constitution, he or she may, if qualified, again be appointed or elected to hold that office in accordance with the provisions of this Constitution.  (2) Where a power is conferred by this Constitution upon any person to make any appointment to any office, a person may be appointed to that office notwithstanding that some other person may be holding that office, when that other person is on leave of absence pending the relinquishment of the office; and where two or more persons are holding the same office by reason of an appointment made in pursuance of this subsection, then, for the purposes of any function conferred upon the holder of that office, the person last appointed shall be deemed to be the sole holder of the office. 127. Interpretation  (1) In this Constitution unless the context otherwise requires-  "the Assembly" means the National Assembly;  "Botswana" means the territory that, on 29th September, 1966, was comprised in the former Protectorate of Bechuanaland;  "financial year" means the period of 12 months ending on 31st March in any year or on such other day as Parliament may prescribe;  "the Gazette" means the Botswana Government Gazette;  "high judicial office" means the office of a judge of a court of unlimited jurisdiction in civil and criminal matters in Botswana, a Commonwealth country or in any country outside the Commonwealth that may be prescribed by Parliament or the office of judge of a court having jurisdiction in appeals from such a court;  ''Kgosana'' (pl. Dikgosana) means Headman;  ''Kgosi'' (pl. Dikgosi) means Chief or Sub-Chief as defined in the  Chieftainship Act;  "oath" includes affirmation;  "the oath of allegiance" means such oath of allegiance as may be prescribed by law;  "public office" means, subject to the provisions of subsections (2) and (3) of this section, an office of emolument in the public service;  "public officer" means a person holding or acting in any public office;  "the public service" means the civil service of the Government;  "session" means the sittings of the National Assembly beginning when it first sits after the coming into operation of this Constitution or after Parliament is prorogued or dissolved at any time and ending when Parliament is prorogued or is dissolved without having been prorogued;  "sitting" means a period during which the National Assembly is sitting without adjournment and includes any period during which it is in committee;  "subordinate court" means any court established for Botswana other than-  (a) the Court of Appeal;  (b) the High Court;  (c) a court martial; or