H.R. 4437 (The Border Protection, Anti terrorism, and Illegal Immigration Control Act of 2005) was passed by the United States House of Representatives on December 16, 2005, by a vote of 239 to 182. It is also known as the "Sensenbrenner Bill", for its sponsor in the House of Representatives, Jim Sensenbrenner. H.R. 4437 was seen by many as the catalyst for the 2006 U.S. immigration reform protests.[68]