Leviticus 24:15-16 NIV

15 Say to the Israelites: 'If anyone curses his God,1 he will be held responsible;2

References for Leviticus 24:15

16 anyone who blasphemes3 the name of the LORD must be put to death.4 The entire assembly must stone him. Whether an alien or native-born, when he blasphemes the Name, he must be put to death.

References for Leviticus 24:16