http://www.rushmypassport.com/blog/2010/02/us-citizens-visiting-mexico-face-new-passport-requirements/ According to DallasNews.com, starting March 1, 2010, Mexican border officials will begin asking to see US citizens' passports before they leave the US. Here's the scoop on the new passport requirements. Wed, 08 Feb 2012 01:28:34 +0000 hourly 1