Exodus 28:38

28:38 And it shall be upon Aaron’s forehead, that Aaron may bear the iniquity of the holy things, which the children of Israel shall hallow in all their holy gifts; and it shall be always upon his forehead, that they may be accepted before the LORD.

Exodus 36:3

36:3 And they received of Moses all the offering, which the children of Israel had brought for the work of the service of the sanctuary, to make it [withal]. And they brought yet unto him free offerings every morning.