through the territory of the United States, under such rules,
regulations, and conditions for the protection of the revenue as the
Government of the United States may from time to time prescribe; and
under like rules, regulations, and conditions goods, wares, or
merchandise may be conveyed in transit, without the payment of duties,
from such possessions through the territory of the United States for
export from the said ports of the United States.

It is further agreed that for the like period goods, wares, or
merchandise arriving at any of the ports of Her Britannic Majesty's
possessions in North America and destined for the United States may be
entered at the proper custom-house and conveyed in transit, without the
payment of duties, through the said possessions, under such rules and
regulations and conditions for the protection of the revenue as the
governments of the said possessions may from time to time prescribe;
and under like rules, regulations, and conditions goods, wares, or
merchandise may be conveyed in transit, without payment of duties, from
the United States through the said possessions to other places in the
United States, or for export from ports in the said possessions.

It will be noticed that provision is here made--

First. For the transit in bond, without the payment of duties, of goods
arriving at specified ports of the United States, and at others to be
designated by the President, destined for Canada.

Second. For the transit from Canada to ports of the United States,
without the payment of duties, of merchandise for export.

Third. For the transit of merchandise arriving at Canadian ports,
destined for the United States, through Canadian territory to
the United States, without the payment of duties to the Dominion
government.

Fourth. For the transit of merchandise from the United States to
Canadian ports for export without the payment of duties.

Fifth. For the transit of merchandise, without the payment of duties,
from the United States, through Canada, to other places in the United
States.

The first and second of these provisions were concessions by the
United States and were made subject to "such rules, regulations, and
conditions for the protection of the revenue as the Government of the
United States may from time to time prescribe." The third, fourth, and
fifth provisions of the articles are concessions on the p