; or (3) inhibit the ability of the faculty of an institution of higher education to express an opinion (either individually or collectively) about membership in a single-sex social organization, or otherwise inhibit the academic freedom of such faculty to research, write, or publish material about membership in such an organization. (c) Definitions In this section: (1) Adverse action The term adverse action means any of the following actions taken by an institution of higher education with respect to a member or prospective member of a single-sex social organization: (A) Expulsion, suspension, probation, censure, condemnation, formal reprimand, or any other disciplinary action, coercive action, or sanction taken by an institution of higher education or administrative unit of such institution. (B) An oral or written warning with respect to an action described in subparagraph (A). (C) An action to deny participation in any education program or activity. (D) An action to withhold, in whole or in part, any financial assistance (including scholarships and on campus employment), or denying the opportunity to apply for financial assistance, a scholarship, a graduate fellowship, or on-campus employment. (E) An action to deny or restrict access to on-campus housing. (F) An act to deny any certification, endorsement, or letter of recommendation that may be required by a student’s current or future employer, a government agency, a licensing board, an institution of higher education, a scholarship program, or a graduate fellowship to which the student seeks to apply. (G) An action to deny participation in any sports team, club, or other student organization, including a denial of any leadership position in any sports team, club, or other student organization. (H) An action to require any student to certify that such student is not a member of a single-sex social organization or to disclose the student’s membership in a single-sex social organization. (2) Single-sex social organization The term single-sex social organization