A recipient to which this subpart applies that operates or supervises a program or activity that provides aid, benefits, or services for persons who are institutionalized because of handicap shall ensure that each qualified handicapped person, as defined in § 15b.3(n)(2), in its program or activity is provided an appropriate education, as defined in § 15b.22(b). Nothing in this section shall be interpreted as altering in any way the obligations of recipients under subpart D.