The updated print version of the NFA Manual (as March 1, 2013) includes all changes and additions made between March 1, 2012 and February 28, 2013. Any updates to the NFA Manual since March 1, 2013 will be made available to you in this online version.
Here's what's new as of April 1, 2013. We will continue to call your attention to changes as we make them.
As of March 30, 2013