H.Amdt.64 - An amendment numbered 5 printed in House Report 110-74 to prohibit funds in this act, except those noted in Section 108, from being used by Amtrak for any of the Top 10 worst revenue losing long-distance routes as noted by its September 2006 monthly performance report. This amendment provides a waiver from this provision should the Secretary deem a route or a portion of a route as critical to homeland security.