Leviticus 25:9, 52
Leviticus 25:9 NASB1995
You shall then sound a ram’s horn abroad on the tenth day of the seventh month; on the day of atonement you shall sound a horn all through your land.
Leviticus 25:52 NASB1995
and if few years remain until the year of jubilee, he shall so calculate with him. In proportion to his years he is to refund the amount for his redemption.