The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
Comparison Of Revenue Provisions In H.R. 434 As Passed By The House And The Senate
Summary Of Tax Provisions Contained In The President's Fiscal Year 2001 Budget Proposal"