Yellen Sworn In as Treasury Secretary by Kamala Harris

The transcript is a ceremonial oath-taking process where an individual pledges to defend against all enemies, both foreign and domestic. The individual commits to bearing true faith and allegiance, taking the obligation freely without any mental reservation, and faithfully discharging the duties of the office. The ceremony concludes with a congratulatory note to the new officeholder.

How does the oath address the concept of allegiance?

What duties are mentioned in the oath that the individual is about to enter?