Leviticus 27:13-15

Complete Jewish Bible

¹³ But if the person making the vow wishes to redeem the animal, he must add one-fifth to your valuation.

¹⁴ “‘When a person consecrates his house to be holy for Adonai, the cohen is to set a value on it in relation to its good and bad points; the value set by the cohen will stand. ¹⁵ If the consecrator wishes to redeem his house, he must add one-fifth to the value you have set on it; and it will revert to him.