Exodus Chapter 30 World English Bible
Aaron shall make atonement on its horns once in the year; with the blood of the sin offering of atonement once in the year he shall make atonement for it throughout your generations. It is most holy to Yahweh."
"When you take a census of the children of Israel, according to those who are numbered among them, then each man shall give a ransom for his soul to Yahweh, when you number them; that there be no plague among them when you number them.
They shall give this, everyone who passes over to those who are numbered, half a shekel after the shekel of the sanctuary; (the shekel is twenty gerahs;) half a shekel for an offering to Yahweh.
You shall take the atonement money from the children of Israel, and shall appoint it for the service of the tent of meeting; that it may be a memorial for the children of Israel before Yahweh, to make atonement for your souls."