Deuteronomy 25:7-8

25:7 But if the man does not want to marry his brother’s widow, then she must go to the elders at the town gate and say, “My husband’s brother refuses to preserve his brother’s name in Israel; he is unwilling to perform the duty of a brother-in-law to me!” 25:8 Then the elders of his city must summon him and speak to him. If he persists, saying, “I don’t want to marry her,”