Leviticus 7:36

which Yahweh commanded to give them in the day when he anointed them, from among the sons of Israel, - an age-abiding statute to their generations.

Leviticus 8:12

and he poured of the anointing oil, upon the head of Aaron, - and anointed him, to hallow him.

Leviticus 8:30

And Moses took of the anointing oil and of the blood that was upon the altar, and sprinkled upon Aaron, upon his garments, and upon his sons and upon the garments of his sons with him, - and hallowed Aaron, his garments, and his sons and the garments of his sons with him.

Exodus 40:13-15

and thou shalt clothe Aaron with the holy garments, - and shalt anoint him and hallow him so shall he minister as priest unto me.

Treasury of Scripture Knowledge

Summary

Which the LORD commanded to be given them of the children of Israel, in the day that he anointed them, by a statute for ever throughout their generations.

Bible References

In the day

Leviticus 8:12
and he poured of the anointing oil, upon the head of Aaron, - and anointed him, to hallow him.
Exodus 40:13
and thou shalt clothe Aaron with the holy garments, - and shalt anoint him and hallow him so shall he minister as priest unto me.