The Evidence for the Condition of the Imam's Permission in Jihad

Question:
He says: Honorable Shaykh, may Allah grant you success, I have heard many people say that there is no explicit textual evidence regarding the requirement to seek the Imam's permission for jihad. Is there any legal evidence for this?

Answer:
The action of the Messenger (peace and blessings be upon him) is what organized jihad himself, and Allah commanded him to do so, urging the believers to fight. The Caliphs and rulers are the successors of the Messenger, and they take the place of the Messenger, the one in authority (peace and blessings be upon him). So every one in authority who takes his place among the Muslims, from then until the Hour stands, holds the authorities that the Messenger (peace and blessings be upon him) held, who used to organize the armies and expeditions. They did not engage in jihad without his permission, nor did they fight without his permission. He is the Imam (peace and blessings be upon him), and all the Imams of the Muslims inherit these authorities. Yes.