A postal inspector, a special agent of the Office of the Inspector General, or a Postal Service employee acting at the direction of a postal inspector or special agent may record the information appearing on the envelope or outer wrapping of mail without obtaining a mail cover order only under the following circumstances:
a. Undelivered mail found abandoned or in the possession of a person reasonably believed to have stolen or embezzled such mail.
A postal inspector or a special agent of the Office of the Inspector General or Postal Service employee acting at the direction of a postal inspector may record the information appearing on the envelope or outer wrapping of mail without obtaining a mail cover order if the mail poses an immediate threat to persons or property.