■ Oversight of the Executive
The ability of the legislature to oversee executive activities gives the legislature an opportunity to exercise influence over executive behaviour. Therefore, it indicates a high level of power in the legislative branch. Legislatures exercise oversight through the ability to summon or investigate the executive.

Provisions
The Constitution of the Republic of Indonesia (1945, as Amended to 2002)Article 20(A)(2) In carrying out its functions, in addition to the rights regulated in other Articles of this Constitution, the DPR shall hold the right of interpellation (interpelasi), the right of investigation (angket), and the right to declare an opinion.
Constitution of the Oriental Republic of Uruguay (1966, as Amended to 1996)Article 118Any Legislator may ask a Minister of state, the Supreme Court of Justice, the Electoral Court, the Contentious-Administrative Tribunal, and the Tribunal of Accounts, for such data and information as he may consider necessary for the discharge of his duties.Article 119Each Chamber has the right, by a resolution of one-third of its full membership, to require the presence on its floor of the Ministers of state in order to question them and receive from them information which it considers appropriate, whether for legislative purposes or for purposes of inspection or investigation, without prejudice to the provisions of Section VIII.
The Albanian Constitution (1998)Article 772. The Assembly has the right and, upon the request of one-fourth of its members is obliged, to designate investigatory committees to review a particular issue. Its conclusions are not binding on the courts, but they may be made known to the office of the prosecutor, which evaluates them according to legal procedures.

Provisions
Constitution of the Republic of Senegal (2001)Article 85.The Deputies may pose to the Prime Minister and to the Other members of the Government who are held to respond to it, written questions and oral questions with or without debate. The questions or the responses which are made to them are not put to a vote.The National Assembly can designate, from its midst, commissions of inquiry.The law determines the conditions of the organization and of the functioning as well as the powers of the commissions of inquiry.The Constitution of the French Republic (1958, as Amended to 2008)Article 48At one sitting a week at least, including the extraordinary sessions provide for in Article 29, priority shall be given to questions from Members of Parliament and to answers from the Government.Constitution of the Republic of Serbia (2006)Article 105 Method of decision making in the National AssemblyThe National Assembly shall adopt decisions by majority vote of deputies at the session at which majority of deputies are present.By means of majority vote of all deputies the National Assembly shall:10. decide on response to interpellationArticle 129 InterpellationAt least 50 deputies may propose interpellation in relation to the work of the Government or particular member of the Government.The Government shall have the obligation to respond to interpellation within 30 days.
Constitution of the Republic of Paraguay (1992)Article 193About Summoning and InterpellationEach chamber, by an absolute majority, may individually summon and interpellate ministers and other senior administration officials and directors and administrators of autonomous, self-supported, or decentralized companies, as well as directors and administrators of organizations charged with administering state funds and those in which the State is a majority shareholder, when the chamber is discussing a law or is studying a matter pertaining to their respective activities. The respective questions must be conveyed to the summoned official at least five days in advance. Except for those cases in which the summoned individual may claim a legal cause for being excused, it will be mandatory for him to appear before the respective chamber, to answer the questions, and to provide all the information he has been asked to give.

Provisions
Saudia Arabia: The System of the Majlis al-Shoura (Consultative Council) (Decree A/91) (1992)Article 24The Speaker of the Shura Council must submit an application to the Prime Minister for Providing the Council with governmental documents and statements which the Council sees necessary to accelerate its functions.
The Constitution of the Republic of Trinidad and Tobago Act (1976, as Amended to 2000)Article 93. Functions of Ombudsman(1) Subject to this section and to sections 94 and 95 the principal function of the Ombudsman shall be to investigate any decision or recommendation made, including any advice given or recommendation made to a Minister, or any act done or omitted by any department of Government or any other authority to which this section applies, or by officers or members of such a department or authority, being action taken in exercise of the administrative functions of that department or authority.