Find one of the Preset USC view Snap Tool icons 
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on the Drawplane Toolbar (color coded purple) and Click on the tool. The tool is now active and ready for use.This set of tools is part of a Flyout toolbar.
1.
Snap UCS to Top View: Traditional overhead plane.
2.
Snap UCS to Bottom View: Underneath plane.
3.
Snap UCS to Front (South) View: Traditional front (side) plane.
4.
Snap UCS to Back (North) View: Back (side) plane.
5.
Snap UCS to Left (West) View: Left (side) plane.
6.
Snap UCS to Right (East) View: Traditional right (side) plane.
Also See:
Draw Plane Toolbar
Flyout Toolbar