Exodus 21:20 KJV
And if a man smite his servant, or his maid, with a rod, and he die under his hand; he shall be surely punished.
Exodus 21:20, King James Version
In context
19 If he rise again, and walk abroad upon his staff, then shall he that smote him be quit: only he shall pay for the loss of his time, and shall cause him to be thoroughly healed.
20 And if a man smite his servant, or his maid, with a rod, and he die under his hand; he shall be surely punished.
21 Notwithstanding, if he continue a day or two, he shall not be punished: for he is his money.