D.C. Code § 1-336.06: Sunset.

This part shall expire upon the occurrence of any of the following:

(1)

The Congress or President of the United States unambiguously states, by means including legislation, executive order, or written certification from the President to Congress, that the government of Iran has ceased to pursue the capabilities to develop nuclear weapons and support international terrorism;

(2)

The United States revokes all sanctions imposed against the government of Iran; or

(3)

The Congress or President of the United States affirmatively and unambiguously declares, by means including legislation, executive order, or written certification from the President to Congress, that mandatory divestment of the type provided for in this part interferes with the conduct of United States foreign policy.