Exodus 29:21

29:21 You are to take some of the blood that is on the altar and some of the anointing oil and sprinkle it on Aaron, on his garments, on his sons, and on his sons’ garments with him, so that he may be holy, he and his garments along with his sons and his sons’ garments.

Exodus 34:27

34:27 The Lord said to Moses, “Write down these words, for in accordance with these words I have made a covenant with you and with Israel.”