Text this: American Neutrality. Comparative Print of H. J. Res. 306, the Neutrality Act of 1939, and Present Neutrality Law Approved May 1, 1937. Proposed Neutrality Act of 1939 (H. J. Res. 306) as Passed by the House of Representatives, June 30, 1939; and Proposed Substitute Neutrality Act of 1939 (H. J. Res. 306) as Reported to the Senate by the Senate Foreign Relations Committee, Sept. 29, 1939.