Deuteronomy 25:6-8

American Standard Version

⁶ And it shall be, that the first-born that she beareth shall succeed in the name of his brother that is dead, that his name be not blotted out of Israel. ⁷ And if the man like not to take his brother’s wife, then his brother’s wife shall go up to the gate unto the elders, and say, My husband’s brother refuseth to raise up unto his brother a name in Israel; he will not perform the duty of a husband’s brother unto me. ⁸ Then the elders of his city shall call him, and speak unto him: and if he stand, and say, I like not to take her;