A November 12, 2009, Department of State (DOS) cable advises consular posts of DOS's plans to implement the DS-160 nonimmigrant visa electronic application worldwide by spring 2010. The DS-160 is a fully integrated electronic form that combines all information currently collected on Forms DS-156, 157, and 158. It is currently being piloted at 24 posts
. The cable identifies 45 "priority posts" that are directed to implement the DS-160 no later than March 1, 2010. All remaining posts are directed to implement the DS-160 between March 1 and April 30, 2010.