Leviticus 25:8-18

The Jubilee year

8 Count off seven weeks of years—that is, seven times seven—so that the seven weeks of years totals forty-nine years.
9 Then have the trumpet blown on the tenth day of the seventh month. Have the trumpet blown throughout your land on the Day of Reconciliation.
10 You will make the fiftieth year holy, proclaiming freedom throughout the land to all its inhabitants. It will be a Jubilee year for you: each of you must return to your family property and to your extended family.
11 The fiftieth year will be a Jubilee year for you. Do not plant, do not harvest the secondary growth, and do not gather from the freely growing vines
12 because it is a Jubilee: it will be holy to you. You can eat only the produce directly out of the field.
13 Each of you must return to your family property in this year of Jubilee.
14 When you sell something to or buy something from your fellow citizen, you must not cheat each other.
15 You will buy from your fellow citizen according to the number of years since the Jubilee; he will sell to you according to the number of years left for harvests.
16 You will raise the price if there are more years, or lower the price if there are less years because it is the number of harvests that are being sold to you.
17 You must not cheat each other but fear your God because I am the LORD your God.
18 You will observe my rules, and you will keep my regulations and do them so that you can live securely on the land.