2,211. Coercion vis-à-vis Kohanim and Yisroelim

Hilchos Issurei Biah 18:7

If the wife of a kohein is raped, he is liable to lashes for subsequent relations with her as per Deuteronomy 24:4, “Her first husband, who sent her away, may not come back and take her for a wife after she has been with another man.” All women are bound by the general rule that if they participate in extramarital relations, they become prohibited to their husbands but the Torah excepts the wife of a Yisroel (an “Israelite”) who was raped. Such a woman remains permitted to her husband, as per Numbers 5:13, “She was not seized.” The wife of a kohein, however, is rendered prohibited as a zonah.

Hilchos Issurei Biah 18:8

If the wife of a Yisroel is raped, she remains permitted to her husband but becomes prohibited to marry a kohein. If the wife of a kohein tells her husband that she was raped or unwittingly had relations with another man, or if one witness testifies that she participated in extramarital relations willingly or unwillingly, she is not rendered prohibited to him because we are concerned for the possibility that she may have become interested in another man (and is therefore lying in order to dissolve her marriage). If he trusts her word or the word of the witness, then he should divorce her in order to resolve the doubt.