A bomb threat is defined as "information received, indicating that a bomb or explosive device has been placed or is actually in or on the premises," not that one is going to or will be placed on premises.
If the threat is received by mail or tape recording, it is evidence and should be handled as little as possible. Immediately call your Senior Security representative.
If the threat is received by phone, listen for and note the following information, then immediately call your Senior Security representative after the call.
If you receive a bomb threat by telephone, remember these guidelines:
Suspicious packages are any items capable of concealing or containing harmful substances that has been left unattended and/or visibly shows indicators of posing a potential threat.
Characteristics of Suspicious Packages
What to Do with a Suspicious Package, Letter or Container