Leviticus 22:14
And if a man eat of a holy thing through inadvertence, then he shall put the fifth part thereof unto it, and shall give it unto the priest with the holy thing.
Leviticus 27:13
And if they will in any wise redeem it, then they shall add a fifth part thereof unto thy valuation.
Leviticus 27:15
And if he that halloweth it will redeem his house, he shall add the fifth of the money of thy valuation unto it, and it shall be his.
Leviticus 5:15-19
If any one act unfaithfully and sin through inadvertence in the holy things of Jehovah, then he shall bring his trespass-offering to Jehovah, a ram without blemish out of the small cattle, according to thy valuation by shekels of silver, according to the shekel of the sanctuary, for a trespass-offering.