1. This chapter does not apply to any person acting pursuant to a valid court order, warrant, or subpoena, a subpoena by the attorney general pursuant to this chapter or chapter 51-15, or other valid legal process.
2. This chapter does not prevent any action by a law enforcement agency, or any officer, employee, or agent of such agency, to obtain telephone records in connection with the performance of the official duties of the agency as authorized by law.