Haig v. Agee: Power to Revoke Passports Whether a passport can be revoked or not has been a major question since the mid- 1800's. Haig v. Agee is a landmark Supreme Court case charging that the Secretary of State can not revoke a passport on the grounds that the power has never been granted by the Congress to the Secretary, and that revoking a passport violates the first and fifth amendments of the Constitution of the United States. Not only does the Secretary of State have implied powers, but revoking Agee's passport did not violate any laws or rights. In Haig v. Agee, the defendant claims that the Passport Act of 1926 does not grant the Secretary of State the