Leviticus 27:23

In that day] The estimated value of a purchased piece of land must be paid in a lump sum. The estimated value of a hereditary possession, it would appear, was paid in yearly instalments. This practically meant that, till the Jubilee, the dedicant paid to the sanctuary a yearly rent of one shekel per homer of seed that he used.

26-29. Exception to the Law of Bedemption of Vows.