Leviticus 21:10-12
Read Leviticus 21 in full →10‘And the priest who is the highest among his brothers, on whose head the anointing oil has been poured and 1who has been ordained to wear the garments, ashall not 2uncover his head nor tear his clothes; 11anor shall he approach any dead person nor defile himself even for his father or his mother; 12anor shall he go out of the sanctuary nor profane the sanctuary of his God, for bthe dedication of the anointing oil of his God is on him; I am Yahweh.