From the friendly neighborhood LUPD:
Firearms on Campus
See the PDF:
What does that [except while necessary for its lawful use] mean?Section 3. PERSONS ELIGIBLE FOR AUTHORIZATION TO CARRY WEAPON
D. Students of Liberty University who are not also employees of Liberty University, who hold a valid concealed weapons permit recognized by the Commonwealth of Virginia, and who are approved by LUPD to carry a concealed weapon, may possess and carry such concealed weapon on University property and all University facilities except residence halls, and may store the approved weapon in a secured container or compartment in their vehicle while on University property. Except as permitted in Section 3 C, no weapons may be stored in residence halls. The approved weapon shall never be openly carried except while necessary for its lawful use.