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Deny the student access to the WVU service they are attempting to use.
Take a picture of the front of the Mountaineer Card. Do not confiscate the card.
Try to gather some context and details. Ask the student why they are trying to use a card that isn't theirs, collecting their name and student ID number if possible.
Go to https://studentconduct.wvu.edu/submit-a-complaint and and select Submit a Complaint.
Enter all required information and submit the report to the Office of Student Conduct, which will review the form and investigate.
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