With the Passage of the Check Clearing for the 21st

With the passage of the Check Clearing for the 21st Century Act (Check 21 Act) , which of the following is now possible?

A) Checks can be sent for free via a new overnight delivery service.
B) Checks can be processed in less than a week.
C) Checks can be processed in a day.
D) Checks can be sent electronically, so banks can process them while they wait for the actual check to arrive for clearing.
E) Checks have been replaced with an electronic form banks can fill out.