Nothing contained in this chapter shall be construed to affect in any manner the application to the business of insurance of the Act of , as amended, known as the National Labor Relations Act [ et seq.], or the Act of , as amended, known as the Fair Labor Standards Act of 1938 [ et seq.], or the Act of , known as the Merchant Marine Act, 1920.29 U.S.C. 15129 U.S.C. 201July 5, 19351935-07-05June 25, 19381938-06-25June 5, 19201920-06-05