5de93764_ersity___Main_Campus_Bookstore_NOLOGY_ACCESSIBILITY_STANDARDS_Section_508_Rule
[EITAS] 1194.21(a) [Category] Software Applications and Operating Systems [Supporting Features] Supports. Keyboard access exists for functions that can be identified with text labels. A mouse or other pointing device is not required for any of these functions. [Summary of Supported] Supports [Section 508 Rule] 
When software is designed to run on a system that has a keyboard, product functions shall be executable from a keyboard where the function itself or the result of performing a function can be discerned textually.
BN College - Temple University - Main Campus Bookstore
Section 508 Rule