Termination clauses and neutrality limits contain the new power

The Act set an end date for its extraordinary transfer powers unless Congress acted earlier, while allowing existing agreements to be completed later. It expressly withheld authority for United States naval convoying and for American vessels to enter combat areas contrary to the Neutrality Act of 1939. Those clauses preserved a formal boundary between arming belligerents and entering the war. Recipient governments also could not transfer the articles or information or allow unauthorized use without presidential consent. The passage makes the tension between declared neutrality and one-sided material support visible in the statute itself.