Priests must not have a bald spot shaved on their head, they must not shave the corner of their beard, and they must not cut slashes in their body.
TSK
TSK · Ezra 9:3
Treasury of Scripture Knowledge references in NET.
Eliakim son of Hilkiah, the palace supervisor, accompanied by Shebna the scribe and Joah son of Asaph, the secretary, went to Hezekiah with their clothes torn and reported to him what the chief adviser had said.
So I entered a complaint with them. I called down a curse on them, and I struck some of the men and pulled out their hair. I had them swear by God saying,“You will not marry off your daughters to their sons, and you will not take any of their daughters as wives for your sons or for yourselves!
But when they gazed intently from a distance but did not recognize him, they began to weep loudly. Each of them tore his robes, and they threw dust into the air over their heads.
My strength leaves me; I am absolutely shocked.
So, mourn, you people of this nation. Cut off your hair and throw it away. Sing a song of mourning on the hilltops. For the LORD has decided to reject and forsake this generation that has provoked his wrath!’”
For all of them will shave their heads in mourning. They will all cut off their beards to show their sorrow. They will all make gashes in their hands. They will all put on sackcloth.
They will wear sackcloth, terror will cover them; shame will be on all their faces, and all of their heads will be shaved bald.
I, Daniel, was exhausted and sick for days. Then I got up and again carried out the king’s business. But I was astonished at the vision, and there was no one to explain it.