Numbers 3:47-49

New Catholic Bible

⁴⁷ “You will take five shekels for each person according to the shekel of the sanctuary, that is, twenty gerahs for each shekel ⁴⁸ and give the money to Aaron and his sons to redeem those who are in excess among them.”

⁴⁹ Moses took the redemption money for those who were in excess, above the number of those redeemed by the Levites.