Leviticus 22:14
And if a man eats [the] votive offering unintentionally, then he shall add to it a fifth of it, and he shall give the votive offering to the priest.
Leviticus 27:13
And if he indeed wants to redeem it, then he shall add a fifth of it onto your proper value.
Leviticus 27:15
But if the one who consecrates [it] wants to redeem his house, then he shall add a fifth of your proper value's money onto it, and it shall be his.
Leviticus 5:15-19
"When a person {displays infidelity} and he sins in an unintentional wrong {in any of} Yahweh's holy things, then he shall bring his guilt offering to Yahweh: a ram without defect from the flock as a guilt offering by your valuation [in] silver shekels according to the sanctuary shekel.