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In Wisconsin, a party is not allowed to remarry within six months of getting a divorce. Any marriage within six months will be void. As to dating, there is no law about when this can begin:
765.03(2) It is unlawful for any person, who is or has been a party to an action for divorce in any court in this state, or elsewhere, to marry again until 6 months after judgment of divorce is granted, and the marriage of any such person solemnized before the expiration of 6 months from the date of the granting of judgment of divorce shall be void.
So even if he divorces and re-marries in Mexico, he is still bound to the Wisconsin statute if he lives in Wisconsin. Which means, someone in his situation would have to wait 6 months before remarrying.
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