Leviticus 25:10, 13, 28

And you shall consecrate the fiftieth year and proclaim freedom [for the slaves] throughout the land to all its inhabitants. It shall be a Jubilee (year of remission) for you, and each of you shall return to his own [ancestral] property [that was sold to another because of poverty], and each of you shall return to his family [from whom he was separated by bondage].

‘In this Year of Jubilee each of you shall return to his own [ancestral] property.

But if he is unable to redeem it, then what he has sold shall remain in the hands of the purchaser until the Year of Jubilee; but at the Jubilee it shall revert, and he may return to his property.