Exodus 23:18

18 a“You shall not offer the blood of my sacrifice with anything leavened, or let the fat of my feast remain until the morning.

Exodus 34:25

25 b“You shall not offer the blood of my sacrifice with anything leavened, cor let the sacrifice of the Feast of the Passover remain until the morning.

2 Chronicles 30:15-16

15 dAnd they slaughtered the Passover lamb on the fourteenth day of the second month. eAnd the priests and the Levites were ashamed, fso that they consecrated themselves and brought burnt offerings into the house of the Lord. 16 gThey took their accustomed posts according to the Law of Moses hthe man of God. The priests threw the blood that they received from the hand of the Levites.
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