Exodus 30:14 in the World English Bible
Everyone who passes over to those who are counted, from twenty years old and upward, shall give the offering to the LORD.
Context
13 This they shall give, every one that passeth among them that are numbered, half a shekel after the shekel of the sanctuary: (a shekel is twenty gerahs:) an half shekel shall be the offering of the LORD.
14 Every one that passeth among them that are numbered, from twenty years old and above, shall give an offering unto the LORD.
15 The rich shall not give more, and the poor shall not give less than half a shekel, when they give an offering unto the LORD, to make an atonement for your souls.