45 CFR § 84.32
Location and notification
April 14, 2021
A recipient that operates a public elementary or secondary education program or activity shall annually:
(a) Undertake to identify and locate every qualified handicapped person residing in the recipient's jurisdiction who is not receiving a public education; and
(b) Take appropriate steps to notify handicapped persons and their parents or guardians of the recipient's duty under this subpart.
[42 FR 22677, May 4, 1977, as amended at 70 FR 24319, May 9, 2005]