That cargo vessels documented under the laws of the United States may carry not to exceed sixteen persons in addition to the crew between any ports or places in the United States or its Districts, Territories, or possessions, or between any such port or place and any foreign port, or from any foreign port to another foreign port, and such vessels shall not be held to be "passenger vessels" or "vessels carrying passengers" within the meaning of the inspection laws and the rules and regulations thereunder: Provided, That nothing herein shall be taken to exempt such vessels from the laws, rules, and regulations respecting life-saving equipment: Provided further, That when any such vessel carries persons other than the crew as herein provided for, the owner, agent, or master of the vessel shall first notify such persons of the presence on board of any dangerous articles, as defined by law, or of any other condition or circumstances which would constitute a risk of safety for passenger or crew.
The privilege bestowed by this section on vessels of the United States shall be extended insofar as the foreign trade is concerned to the cargo vessels of any nation which allows the like privilege to cargo vessels of the United States in trades not restricted to vessels under its own flag.
Failure on the part of the owner, agent, or master of the vessel to give such notice shall subject the vessel to a penalty of $500, which may be mitigated or remitted by the Secretary of Commerce upon a proper representation of the facts.
Sec. 27.
That no merchandise shall be transported by water, or by land and water, on penalty of forfeiture thereof, between points in the United States, including Districts, Territories, and possessions thereof embraced within the coastwise laws, either directly or via a foreign port, or for any part of the transportation, in any other vessel than a vessel built in and documented under the laws of the United States and owned by persons who are citizens of the United States, or vessels to which the privilege of engaging in the coastwise trade is extended by sections 18 or 22 of this Act: Provided, That this section shall not apply to merchandise transported between points within the continental United States, excluding Alaska, over through routes heretofore or hereafter recognized by the Interstate Commerce Commission for which routes rate tariffs have been or shall hereafter be filed with said commission when such routes are in part over Canadian rail lines and their own or other connecting water facilities: Provided further, That this section shall not become effective upon the Yukon river until the Alaska Railroad shall be completed and the Shipping Board shall find that proper facilities will be furnished for transportation by persons citizens of the United States for properly handling the traffic.
Sec. 28.
That no common carrier shall charge, collect, or receive, for transportation subject to the Interstate Commerce Act of persons or property, under any joint rate, fare, or charge, or under any export, import, or other proportional rate, fare, or charge, which is based in whole, or in part on the fact that the persons or property affected thereby is to be transported to, or has been transported from, any port in a possession or dependency of the United States, or in a foreign country, by a carrier by water in foreign commerce, any lower rate, fare, or charge than that charged, collected, or received by it for the transportation of persons, or of a like kind of property, for the same distance, in the same direction, and over the same route, in connection with commerce wholly within the United States, unless the vessel so transporting such persons or property is, or unless it was at the time of such transportation by water, documented under the laws of the United States. Whenever the board is of the opinion, however, that adequate shipping facilities to or from any port in a possession or dependency of the United States or a foreign country are not afforded by vessels so documented, it shall certify this fact to the Interstate Commerce Commission, and the commission may, by order, suspend the operation of the provisions of this section with respect to the rates, fares, and charges for the transportation by rail of persons and property transported from, or to be transported, to such ports, for such length of time and under such terms and conditions as it may prescribe in such order, or in any order supplemental thereto. Such suspension of operation of the provisions of this section may be terminated by order of the commission whenever the board is of the opinion that adequate shipping facilities by such vessels to such ports are afforded and shall so certify to the commission.
Sec. 29.
(a) That whenever used in this section—
(1) The term "association" means any association, exchange, pool, combination, or other arrangement for concerted action; and