I sent out by Iowa Tax papers on the 15th of April 2009 by certified mail. Having not heard from them in one and a half months, I decided to track the no. given on the slip.(Luckily I was carrying that slip around in my wallet all this time). The track and confirm generates the following results: Label/Receipt Number: 7008 1830 0003 0793 9462 Class: First-Class Mail® Service(s): Certified Mail™ Status: Acceptance Your item was accepted at 12:04 PM on April 15, 2009 in ALBUQUERQUE, NM 87109. No further information... read full review »