Leviticus 27:31
And if a man will at all redeem ought of his tithes, he shall add thereto the fifth part thereof.
Cross-references
Leviticus 27:13
Parallel
In Leviticus 27:13, the same redemption-with-a-fifth rule applies to houses, providing a parallel case to tithe redemption here.
Leviticus 5:16
Parallel
In Leviticus 5:16, the same 'add a fifth' principle applies to restitution for unintentional sin regarding holy things, linking redemption rules.
Proverbs 20:25
Related theme
Proverbs 20:25 warns against rashly declaring something holy and then reconsidering, echoing the seriousness of tithe vows.