Ohio Rev. Code § 3345.26: Board of trustees or president may declare state of emergency.

(A) The board of trustees or president of a college or university which receives any state funds in support thereof, may declare a state of emergency when there is a clear and present danger of disruption of the orderly conduct of lawful activities at such college or university through riot, mob action, or other substantial disorder, and may do any one or more of the following, as are necessary to preserve order and discipline at such college or university during such emergency:

(1) Limit access to university property and facilities by any person or persons;

(2) Impose a curfew;

(3) Restrict the right of assembly by groups of five or more persons;

(4) Provide reasonable measures to enforce limitations on access, a curfew, and restrictions on the right of assembly imposed pursuant to this section.

(B) Notice of action take pursuant to division (A) of this section shall be posted or published in such manner as is reasonably calculated to reach all persons affected.

(C) Division (A)(1) and (A)(2) of this section shall not be construed to limit the authority of the board of trustees, president, or other proper official of a college or university to impose reasonable restrictions on use of and access to, and the hours of use of and access to university property and facilities, for purposes of regulating the proper operation of such university, and regardless whether any emergency exists.