Deuteronomy 22:14

And give occasions of speech against her, and bring up an evil name upon her, and say, I took this woman, and when I came to her, I found her not a maid:

Cross-reference

In Deuteronomy 22:19, the penalty for a false accusation is given — directly continuing the same law from verse 14, forming a single legal unit.

Exodus 20:16 forbids bearing false witness — this false accusation is a direct violation of that commandment.

Exodus 23:1 Parallel

Exodus 23:1 prohibits circulating false reports and unjust witnessing — this slander echoes that law.