Leviticus 4 - 5

1 Now the Lord spoke to Moses, saying, 2 “Speak to the children of Israel, saying: ‘If a person sins unintentionally against any of the commandments of the Lord in anything which ought not to be done, and does any of them, 3 if the anointed priest sins, bringing guilt on the people, then let him offer to the Lord for his sin which he has sinned a young bull without blemish as a sin offering. 4 He shall bring the bull to the door of the tabernacle of meeting before the Lord, lay his hand on the bull’s head, and kill the bull before the Lord. 5 Then the anointed priest shall take some of the bull’s blood and bring it to the tabernacle of meeting ...
— LEVITICUS 4 - 5