or manufactures of Spain or her Colonies shall be admitted during the Space of twelve years in the Port of New-Orleans and in all other legal ports-of-entry within the ceded territory in the Same manner as the Ships of the United States coming directly from France or Spain or any of their Colonies without being Subject to any other or greater duty on merchandize or other or greater tonnage than that paid by the citizens of the United. States.
  During that Space of time above mentioned no other nation Shall have a right to the Same privileges in the Ports of the ceded territory--the twelve years Shall commence three months after the exchange of ratifications if it Shall take place in France or three months after it Shall have been notified at Paris to the French Government if it Shall take place in the United States; It is however well understood that the object of the above article is to favour the manufactures, Commerce, freight and naviga tion of France and of Spain So far as relates to the importations that the French and Spanish Shall make into the Said Ports of the United States without in any Sort affecting the regulations that the United States may make concerning the exportation of t he produce and merchandize of the United States, or any right they may have to make Such regulations.