45 C.F.R. § 86.12 – Educational institutions controlled by religious organizations.

(a) Application. This part does not apply to an educational institution which is controlled by a religious organization to the extent application of this part would not be consistent with the religious tenets of such organization.
(b) Exemption. An educational institution which wishes to claim the exemption set forth in paragraph (a) of this section, shall do so by submitting in writing to the Director a statement by the highest ranking official of the institution, identifying the provisions of this part which conflict with a specific tenet of the religious organization.
(Secs. 901, 902, Education Amendments of 1972, 86 Stat. 373, 374; 20 U.S.C. 1681, 1682)