(a) The agency shall, by April 9, 1987, evaluate its current policies and practices, and the effects thereof, that do not or may not meet the requirements of this part, and to the extent modification of any such policies and practices is required, the agency shall proceed to make the necessary modifications.

(b) The agency shall provide an opportunity to interested persons, including handicapped persons or organizations representing handicapped persons, to participate in the self-evaluation process by submitting comments (both oral and written).

(c) The agency shall, until three years following the completion of the self-evaluation, maintain on file and make available for public inspections:

(1) A description of areas examined and any problems identified, and

(2) A description of any modifications made.