Exodus 21:30

21:30 If a ransom is set for him, then he must pay the redemption for his life according to whatever amount was set for him.

Exodus 29:33

29:33 They are to eat those things by which atonement was made to consecrate and to set them apart, but no one else may eat them, for they are holy.

Exodus 30:12

30:12 “When you take a census of the Israelites according to their number, then each man is to pay a ransom for his life to the Lord when you number them, so that there will be no plague among them when you number them.