Leviticus 22:14

And the man who shall ignorantly eat holy things, shall add the fifth part to it, and give the holy thing to the priest.

And if a man eat of the holy thing unwittingly, then he shall put the fifth part thereof unto it, and shall give it unto the priest with the holy thing.

“‘If a man eats something holy unwittingly, then he shall add the fifth part of its value to it, and shall give the holy thing to the priest.