Exodus 29:16

29:16 and you are to kill the ram and take its blood and splash it all around on the altar.

Exodus 34:25

34:25 “You must not offer the blood of my sacrifice with yeast; the sacrifice from the feast of Passover must not remain until the following morning. ¹ 

[34:25]  ¹ sn See M. Haran, “The Passover Sacrifice,” Studies in the Religion of Ancient Israel (VTSup), 86-116.