Functional performance criteria shall apply to Regulations .04—.06 of this chapter. ICT shall be considered nonvisually accessible if the ICT meets the following requirements: Without Vision. If a visual mode of operation is provided, ICT shall provide at least one mode of operation that does not require user vision. With Limited Vision. If a visual mode of operation is provided, ICT shall provide at least one mode of operation that enables users to make use of limited vision. Without Perception of Color. If a visual mode of operation is provided, ICT shall provide at least one nonvisual mode of operation that does not require user perception of color.