Sec. 35.

That the power and authority vested in the board by this Act, except as herein otherwise specifically provided, may be exercised directly by the board, or by it through the United States Shipping Board Emergency Fleet Corporation.

Sec. 36.

That if any provision of this Act is declared unconstitutional or the application of any provision to certain circumstances be held invalid, the remainder of the Act and the application of such provisions to circumstances other than those as to which it is held invalid shall not be affected thereby.

Sec. 37.

That when used in this Act, unless the context otherwise requires, the terms "person," "vessel," "documented under the laws of the United States," and "citizen of the United States" shall have the meaning assigned to them by sections 1 and 2 of the "Shipping Act, 1916," as amended by this Act; the term "board" means the United States Shipping Board; and the term "alien" means any person not a citizen of the United States.

Sec. 38.

That section 2 of the Shipping Act, 1916, is amended to read as follows:

"Sec. 2. (a) That within the meaning of this Act no corporation, partnership, or association shall be deemed a citizen of the United States unless the controlling interest therein is owned by citizens of the United States, and, in the case of a corporation, unless its president and managing directors are citizens of the United States and the corporation itself is organized under the laws of the United States or of a State, Territory, District, or possession thereof, but in the case of a corporation, association, or partnership operating any vessel in the coastwise trade the amount of interest required to be owned by citizens of the United States shall be 75 per centum.

"(b) The controlling interest in a corporation shall not be deemed to be owned by citizens of the United States (a) if the title to a majority of the stock thereof is not vested in such citizens free from any trust or fiduciary obligation in favor of any person not a citizen of the United States; or (b) if the majority of the voting power in such corporations is not vested in citizens of the United States; or (c) if through any contract or understanding it is so arranged that the majority of the voting power may be exercised, directly or indirectly, in behalf of any person who is not a citizen of the United States; or (d) if by any other means whatsoever control of the corporation is conferred upon or permitted to be exercised by any person who is not a citizen of the United States.