On 21st March, 1799, she issued a proclamation declaring the United Provinces in a state of blockade, and thereby excluding neutral commerce without any actual investment.
On 16th May, 1806, a proclamation declaring the blockade of the coast from the Elbe to Brest, inclusive.
On 7th January, 1807, an order prohibiting neutral vessels from trading from one port to another of the enemy or his allies.
On 11th May, 1807, a proclamation declaring the blockade of the coast between the Elbe, Weser, and Ems.
On 11th May, 1807, a proclamation declaring the blockade of the Dardanelles and Smyrna.
In October, 1807, a proclamation, ordering British officers to impress from American vessels all such of their crews as might be taken or mistaken for British subjects.
On 11th November, 1807, Orders in Council were issued interdicting all neutral commerce to any port of Europe from which the British flag was excluded; directing that neutrals should trade to such ports only, under British license and with British clearances—that all ships destined before the issuing of the orders to any of the said ports, should go into a British port, and that all vessels having "certificates of origin" should be lawful prize.
On 11th November, 1807, an Order in Council was issued, declaring void the legal transfer of vessels from the enemies of Britain, to neutrals or others.
In 1808, various acts of Parliament have been passed, carrying the orders of the 11th of November, 1807, into execution. They impose a specific tax on a variety of articles of American merchandise allowed to be re-exported to the continent of Europe, for example, on tobacco, 12s. 6d. sterling per cwt.; on indigo, 2s. per lb.; pork, 17s. 6d. per cwt.; cotton, 9d. per lb.; and on all other articles not enumerated in the act, a duty of forty per cent. is exacted on re-exportation.
On 8th January, 1808, a proclamation issued declaring the blockade of Carthagena, Cadiz, and St. Lucar, and all the ports between the first and last of these places.