[EITAS] 1194.22(j) [Section 508 Rule] Pages shall be designed to avoid causing the screen to flicker with a frequency greater than 2 Hz and lower than 55 Hz. [Supporting Features] Supports. Web-based pages do not use elements that flash or blink at frequencies greater than 2 Hz and less than 55 Hz. [Summary of Supported] Supports [Category] 
Web-based Intranet and Internet Information and Applications