The primary responsibility of the Integrity Commission is to promote integrity, honesty, and good faith in public life in the Turks and Caicos Islands.  Its major functions are derived from the Constitution, the Integrity Commission Ordinance, and the Political Activities Ordinance and include the following:
 

• To receive declarations of income, assets and liabilities and statements of registrable interests filed by persons in public life; to maintain registers of these registrable interests and to generally manage compliance concerning these declarations and interests;
   
• To examine the declarations and registrable interests filed, make the necessary inquiries, and carry out investigations, when relevant, to verify the accuracy of the declarations and registrable interests filed;
   
• To receive and investigate complaints regarding any alleged act of corruption or other breaches of the law for which the Commission has a statutory mandate.  The Commission may also carry out investigations on its own initiative where it is of the opinion that there are reasonable grounds for doing so;
   
• To establish and maintain transparency and integrity of party election finance on behalf of the public of the Turks and Caicos Islands. To receive, consider and publish information about political donations and campaign spending at elections;
   
• To prepare and publish guidance and good practice for political parties and candidates to comply with the requirements of the Political Activities Ordinance, and generally to monitor compliance with the provisions of this Ordinance.
   
• To contribute to public education about integrity in public life;
   
• To encourage and promote high ethical standards and principles of good governance in public life through the formulation, publication, and enforcement of a Code of Conduct for persons in public life, including Members of the House of Assembly;
   
• To exercise such other functions as are conferred on it by the Constitution, the Integrity Commission Ordinance, the Political Activities Ordinance, and any other laws, for the purpose of fulfilling its primary responsibility.