2
I   to arms, ammunition, and implements of war from the
2   United States to belligerent states, or to a state wherein
3   civil strife exists, is necessary to promote the security or
4   preserve the peace of the United States or to protect the
5   lives of citizens of the United States, he shall so proclaim,
6   and it shall thereafter be unlawful, except under such limi-
7   tations and exceptions as the President may prescribe as to
8   lakes, rivers, and briand waters bordering on the United
9   States, and as to transportation on or over lands bordering
10  on the United States, for any American vessel to carry such
11  articles or materials to any belligerent state, or to any state
12  wherein civil strife exists, named in such proclamation
13  issued under the authority of section 1 of this Act, or to
14  any neutral state for transshipment to, or for the use of,
15  any such belligerent state or any such state wherein civil
16  strife exists. The President shall by proclamation from time
17  to time definitely enumerate the articles and materials which
18  it shah be u,tlawful for American vessels to so transport.
19      "(b) Whenever the President shall have issued a
20 proclamation under the authority of section 1 of this Act 
21 and he shall thereafter find that the placing of restrictions on 
22 the export of articles or materials from the United States 
23 to belligerent states, or~ to a state'wherein civil strife exists, 
24 is necessary; to promote the security or preserve the peace 
25 of the United States or to protect the lives or commerce of
 
 I  citizens of the United States, he shall so proclaim, and it
2  shall thereafter be unlawful, except under such limitations
3  and exceptions as the President may prescribe as to lakes,
4  rivers, and inland waters bordering on the United States.
5  and as to transportation on or over land bordering on the
6  United States, to export or transport, or attempt to export
7  or transport, or cause to be exported or transported, from
8  the United States to any belligerent state, or to any state
9  wherein civil strife exists, named in such proclamation issued
10  under the authority of section 1 of this Act, or to any neutral
11  state for transshipment to, or for the use of, any such bel-
l2   ligerent state or any such state wherein civil strife exists, any
13  articles or materials whatever until all right, title, and interest
14  therein shall have been transferred to some foreign govern-
15  merit, agency, institution, association, partnership, corpora-
16  tion, or national. The shipper of such articles or materials
17  shall be required to file with the collector of the port from
18   which they are to be exported a declaration under oath that
19   there exists in citizens of the United States no right, title,
20   or interest in such articles or materials, and to comply yith
21   such rules and regulations as shah be promulgated from
22   time to time by the President. Any such declaration so filed
23   shah be a conclusive estoppel against any claim of any citi-
24:  zen of the United States of right, title, or interest in such
25   articles or materialsj Insurance written by underwriters on