Canadian vessels and wrecking appurtenance may render aid and assistance to Canadian or other vessels and property wrecked, disabled, or in distress in the waters of the United States contiguous to the Dominion of Canada.
This section shall be construed to apply to the canal and improvement of the waters between Lake Erie and Lake Huron, and to the waters of the Saint Mary’s River and canal: And provided further, That this section shall cease to be in force from and after the date of the proclamation of the President of the United States to the effect that said reciprocal privilege has been withdrawn, revoked, or rendered inoperative by the said Government of the Dominion of Canada.