Regulation SHO

Regulation SHO was adopted to update short sale regulation in light of numerous market developments since short sale regulation was first adopted in 1938. Compliance with Regulation SHO began on January 3, 2005.

For more information on Regulation SHO, please visit the SEC’s Spotlight on Short Sales and the Division of Trading And Markets FAQ’s.

http://www.sec.gov/answers/regsho.htm