The rich shall not give more and the poor shall not give less than half a shekel, when you give an offering to the LORD, to make atonement for yourselves.
Exodus 30:15
Surrounding context
30:14 Everyone included among those who are numbered, from twenty years old and above, shall give an offering to the LORD.
30:15 The rich shall not give more and the poor shall not give less than half a shekel, when you give an offering to the LORD, to make atonement for yourselves.
30:16 And you shall take the atonement money of the children of Israel, and shall appoint it for the service of the tabernacle of meeting, that it may be a memorial for the children of Israel before the LORD, to make atonement for yourselves."