There is no higher authority.

“The Doctor: [hologram, speaking towards the console] This is Emergency Programm…”

“I saw the Fall of Troy! World War Five! I was pushing boxes at the Boston Tea P…”

“Cyber Leader: Daleks, be warned. You have declared war upon the Cybermen. Dalek…”

“Daleks: [simultaneously] Exterminate! Exterminate![They fire their weapons, non…”