36 CFR §1154.160

1. (a)The agency shall take appropriate steps to ensure effective communication with applicants, participants, personnel of other Federal entities, and members of the public.
   1. (1)The agency shall furnish appropriate auxiliary aids where necessary to afford a handicapped person an equal opportunity to participate in, and enjoy the benefits of, the program or activity conducted by the agency.
      1. (i)In determining what type of auxiliary aid is necessary, the agency shall give primary consideration to the requests of the handicapped person.
      2. (ii)The agency need not provide individually prescribed devices, readers for personal use or study, or other devices of a personal nature.
   2. (2)Where the agency communicates with applicants, beneficiaries, and members of the public by telephone, telecommunications devices for deaf persons (TDD's) or equally effective telecommunication systems shall be used.
2. (b)The agency shall ensure that interested person, including persons with impaired vision, speech or hearing, can obtain information as to the existence and location of accessible services, activities, and facilities.
3. (c)The agency shall provide signage at a primary entrance to each of its inaccessible facilities, directing users to a location at which they can obtain information about accessible facilities. The international symbol for accessibility shall be used at each primary entrance of an accessible facility.
4. (d)This section does not require the agency to take any action that it can demonstrate would result in a fundamental alteration in the nature of a program or activity or in undue financial and administrative burdens.