(a) Recipients which provide food services shall serve special meals, at no extra charge, to persons whose handicap restricts their diet. Recipients may require handicapped persons to provide medical certification that special meals are needed because of their handicap.

(b) Where existing food service facilities are not completely accessible and usable, recipients may provide aides or use other equally effective methods to serve food to handicapped persons. Recipients shall provide all food services in the most integrated setting appropriate to the needs of handicapped persons.