Exodus 30:13-16

13As each person is counted, he must give one-fifth of an ounce of silver using the standard weight of the holy place. This one-fifth of an ounce of silver is a contribution to the Lord.

14Everyone counted who is at least 20 years old must give this contribution to the Lord.

15The rich must not give more than one-fifth of an ounce of silver, and the poor must not give less. This contribution is given to make peace with the Lord and make your lives acceptable to the Lord.

16Take the money the Israelites give to make peace with the Lord, and use it to pay the expenses of the tent of meeting. It will be a reminder for the Israelites in the Lord’s presence that the sins in their lives are removed.”