Unlike the process of denouncing executive agreements, which has not in the past met with full opposition from Congress, the constitutional requirements for the termination of treaties ratified by the Senate have been the subject of occasional debate between the legislature and the executive. The Case Zablocki Act of 1972 requires the president to inform the Senate of any executive agreement within 60 days. The powers of the President to enter into such agreements have not been granted. The notification requirement allowed Congress to vote in favor of cancelling an executive agreement or to refuse to fund its implementation.   To 19.