Below are the provisions of the constitution of Afghanistan (2004) on law of treaties.
The state shall observe the United Nations Charter, interstate agreements, as well as international treaties to which Afghanistan has joined, and the Universal Declaration of Human Rights. The state shall prevent all kinds of terrorist activities, cultivation and smuggling of narcotics, and production and use of intoxicants.
The President shall have the following authorities and duties:
[…] 17. Issue credential letter for conclusion of international treaties in accordance with the provisions of the law;
The National Assembly shall have the following duties:
[…] 5. Ratification of international treaties and agreements, or abrogation of membership of Afghanistan in them;
Proposals for drafting laws shall be first submitted to the House of People by the government. The House of People shall consider the draft laws, including budgetary and financial affairs as well as the proposal for obtaining or granting loans, and, after debate, either approve or reject as a whole. The House of People shall not delay more than one month the draft proposal. The House of People, after approving the proposed draft, shall send it to the House of the Elders. The House of Elders shall decide on it within 15 days. In deciding about the proposed laws, the National Assembly shall give priority to treaties and development programs of the state that, according to the proposal of the government, require urgent consideration. If the proposal for drafting a law is made by ten members of either of the two houses, it shall be, after approval of one-fifth of the House where it was initiated, included in the work agenda of that House.
At the request of the Government, or courts, the Supreme Court shall review the laws, legislative decrees, international treaties as well as international covenants for their compliance with the Constitution and their interpretation in accordance with the law.