On December 21, 1807 Congress passed Jefferson's Embargo Act prohibiting all ships and vessels under U.S. jurisdiction from landing in any foreign port unless authorized by the President himself.  The act met with much resistance from American merchants who relied on trade with other countries for business, especially in the Northeast.   Many of these merchants were seeing significant financial losses and some New England politicians hinted that if the embargo was not lifted, it would be the duty of the states to nullify such a damaging law.  More and more the merchants began to find ways to smuggle their goods across the Canadian border (The cartoon above is from 1807 and depicts a smuggler being bitten by an American snapping turtle called "Ograbme").  These smugglers often took advantage of a loop hole that was discovered in the original act, that is "coasting vessels" and "fishing and whaling boats" had been exempted  from the original Act.    In response, Congress passed a supplementary act on January 8, 1808 to limit what boats would be exempt.    The supplementary act required coasting, fishing and whaling bots to post bonds, and defined offenses that would lead to the forfeiture of the ships cargo, or a find double the value. 

To enforce these acts, Jefferson requested authorization from Congress to raise the number of troops in the current standing army from 2,800 to 30,000. In 1808, Congress did pass "An act to raise, for a limited time, an additional military force" raising 8 new regiments to be enlisted for a term of five years.  This was well short of the 30,000 troops that Jefferson requested, but he did what he could.  In his last annual address to Congress, Jefferson advised Congress that "small and special detachments" were sent to the Northern states to deal with the "peculiar facilities" for evasion.  As soon as Jefferson could, he replaced these special detachments with new recruits.   With the help of thee troops and the armed vessels, Jefferson reported that the "spirit of disobedience and abuse" had been "considerably repressed".

I have not thought it necessary in the course of the last season to call for any general detachments of militia or of volunteers under the laws passed for that purpose. For the ensuing season, however, they will be required to be in readiness should their service be wanted. Some small and special detachments have been necessary to maintain the laws of embargo on that portion of our northern frontier which offered peculiar facilities for evasion, but these were replaced as soon as it could be done by bodies of new recruits. By the aid of these and of the armed vessels called into service in other quarters the spirit of disobedience and abuse, which manifested itself early and with sensible effect while we were unprepared to meet it, has been considerably repressed."

Yet, just a few months late, Congress repealed the Embargo Act of 1807, and Jefferson sighed the repeal shortly before leaving office.   The Embargo act was replaced by the Non-Intercourse act which forbade trade with Great Britain and France Only.   The Embargo Act had failed to achieve it's effect.

http://www.presidency.ucsb.edu/ws/index.php?pid=29450
http://www.liquisearch.com/embargo_act_of_1807/enforcement_efforts/first_supplementary_act
http://www.encyclopedia.com/topic/Embargo_Act_of_1807.aspx
Military Laws of the United States: To which is Prefixed the Constitution of the United States, by Trueman Cross, pg 145
https://understandhistorynow.files.wordpress.com/2015/07/jefferson_ograbme.jpg