Article 189
The President of the Republic negotiates international treaties and agreements and ratifies them. The Parliament is notified of such treaties and agreements following their conclusion.
However, peace treaties and treaties or agreements relating to commerce and international organizations and those which commit state finances, modify provisions of laws already adopted by Parliament or relate to the status of persons, can only be ratified after authorisation by Parliament.
It is not permitted to cede or exchange part of the territory of Rwanda or to join to Rwanda part of another country without the consent of the people by referendum.
The President of the Republic and Parliament shall be notified of all negotiations relating to treaties and international agreements which are not subject to ratification by the President of the Republic.

Article 190
Upon their publication in the official gazette, international treaties and agreements which have been conclusively adopted in accordance with the provisions of law shall be more binding than organic laws and ordinary laws except in the case of non compliance by one of parties.

Article 191
It is prohibited to make international agreements permitting foreign military bases on the national territory.
It is prohibited to make international agreements permitting the transit or dumping of toxic waste and other hazardous materials capable of endangering public health and the environment.

Article 192
In the event that the Supreme Court, upon request by the organs referred to in article 145 paragraph 4 of this Constitution, rules that an international treaty contains provisions which are inconsistent with the Constitution, the authorisation to ratify the treaty or agreement cannot be granted until the Constitution is amended.