An Act to amend and continue for a limited time, an Act passed in the forty-ninth year of His Majesty’s Reign, intituled, “An Act for continuing for a limited time the Provisional Agreement entered into between this Province and Lower Canada at Montreal, on the fifth day of July, one thousand eight hundred and four, relative to Duties, also for continuing for a limited time the several Acts of the Parliament of this Province, now in force relating thereto.”