Leviticus 24:15
"And thou shalt speak unto the children of Israel, saying, Whosoever curseth his God shall bear his sin."
Cross References (ranked by relevance)
Exodus 22:28
Thou shalt not revile the gods, nor curse the ruler of thy people.
Leviticus 5:1
And if a soul sin, and hear the voice of swearing, and is a witness, whether he hath seen or known of it; if he do not utter it, then he shall bear his iniquity.
Numbers 9:13
But the man that is clean, and is not in a journey, and forbeareth to keep the passover, even the same soul shall be cut off from among his people: because he brought not the offering of the LORD in his appointed season, that man shall bear his sin.