Exodus 21:30
If there be laid on him a sum of money, then he shall give for the ransom of his life whatsoever is laid upon him.
Cross-reference
Exodus 30:12
Parallel
Exodus 30:12 uses the same Hebrew word 'kofer' (ransom) for the census tax, linking the concept of monetary redemption for life.
Numbers 35:31–33
Contrast
Numbers 35:31-33 forbids ransom for deliberate murder, contrasting with this verse where ransom is permitted for negligent homicide.