one of the implementation issues in fstc e-check had to do with float. http://dc.internet.com/news/article.php/2171621
March 28, 2003 Bank Float May Sink By Roy Mark The traditional consumer "float" -- the time between writing a check and when it actually clears the bank -- will be shrinking if Congress approves legislation introduced Thursday that would permit banks to exchange checks by electronic image. The banking industry says the bill will benefit consumers by speeding up check clearing and making the electronic images -- front and back -- quickly available to customers. Most banks currently physically move the paper checks through intermediaries before actually drawing on the funds, a process that can take several days or longer. ... snip ... -- Internet trivia, 20th anv: http://www.garlic.com/~lynn/rfcietff.htm