Name :   Aviel D. Rubin Organization :   ACCURATE Post Date :   9/30/2005 Section Comments Section :   2.2.7.2.2.4 Page no. :   2-21 Line no.:   Comment :   A. THE HUMAN FACTORS CHALLENGE: USERS ARE AN INTEGRAL PART OF THE VOTING SYSTEM     3. Defining The Accessibility Requirements   Human Factors: 2.2.7.2.2.4 "If the normal procedure is to have voters initialize the activation of the ballot, the Acc-VS shall provide features that enable voters who are blind to perform this activation." Specific mandates for a particular machine function and a particular disability must be justified, since they foreclose options that may have other advantages, such as features that make a machine more accessible to another class of individuals.