Constitution of Tuvalu 1986, as amended to 2023
Government
  • English
    (1) An office of Prime Minister is established.
    (2) Subject to subsection (3), there shall be such number of other offices of Minister, and they shall have such titles, as are determined by the Head of State, acting in accordance with the advice of the Prime Minister.
    (3) The number of offices of Minister (other than the office of Prime Minister) shall not exceed one half of the total membership of Parliament.
    (4) One of the Ministers other than the Prime Minister may be appointed to the office of Deputy Prime Minister by the Head of State, acting in accordance with the advice of the Prime Minister.
    (5) Subject to section 71 (caretaker governments) and to subsection (6), all Ministers (including the Prime Minister) must be members of Parliament.
    … (Sec. 62)
Government
  • English
    (1) The Prime Minister shall be elected by the members of Parliament in accordance with Schedule 2 (Election and Appointment of Prime Minister).
    ... (Sec. 63)
Government
  • English
    (1) The Ministers other than the Prime Minister shall be appointed by the Head of State, acting in accordance with the advice of the Prime Minister.
    … (Sec. 67)
Government
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    (1) A Cabinet is established for Tuvalu.
    (2) The Cabinet consists of the Prime Minister and all the other Ministers. (Sec. 73)
Government
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    The Cabinet is collectively responsible to Parliament for the performance of the executive functions of the Government. (Sec. 74)
Government
  • English
    (1) All members of Parliament are eligible for nomination as candidates for election as Prime Minister.
    … (Schedule 2, Sec. 3)
Links to all sites last visited 12 April 2024
2
Part II on Bill of Rights. 
3

Part II on Bill of Rights. 

4, 5

4 - Division 5 on Enforcement of the Bill of Rights (Sections 38-42).
5 - Part II on Bill of Rights.

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Part II on Bill of Rights. 
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Also refer to Sec. 13: “The Principles set out in the Preamble are adopted as part of the basic law of Tuvalu, from which human rights and freedoms derive and on which they are based.”